Navigating the evolution of bill processing demands a strategic understanding of both online and offline systems to optimize efficiency and compliance. This guide explores the fundamental distinctions between digital and traditional workflows, examining their technical infrastructures, operational workflows, and cost implications. From cloud-based real-time updates to manual approval chains in paper-based environments, each approach presents unique advantages and challenges that businesses must evaluate to align with their operational needs.
The transition from offline to online bill management introduces complexities in security, integration, and scalability, requiring a structured analysis of tools, compliance standards, and emerging technologies. Whether assessing software solutions for automated invoicing or designing hybrid systems to bridge legacy processes, this guide provides actionable insights to streamline bill processing while mitigating risks. By examining real-world applications across industries and projecting future trends, readers gain a comprehensive framework to implement or upgrade their billing systems effectively.
Understanding Bill Processing in Modern Systems
Modern bill processing systems have evolved from manual, paper-intensive workflows to highly automated, cloud-integrated platforms. The shift reflects advancements in digital infrastructure, data security, and real-time transaction capabilities. Online bill processing leverages cloud computing, APIs, and AI-driven validation, while offline systems rely on physical documentation, batch processing, and manual reconciliation. The technical infrastructure for each method varies significantly, with online systems requiring robust cybersecurity frameworks, scalable servers, and seamless third-party integrations, whereas offline systems depend on local databases, archival storage, and legacy software compatibility.
The core distinction lies in data accessibility, error handling, and scalability. Online systems enable instant updates, automated dispute resolution, and cross-platform synchronization, whereas offline methods prioritize compliance with regulatory archival requirements and operate within constrained bandwidth environments. Below is a structured comparison of key workflows, tools, and interventions in both paradigms.
Comparison of Online and Offline Bill Processing Workflows
The following table outlines the procedural differences, technical tools, and intervention points between online and offline bill processing. Each method addresses distinct operational needs, with online systems emphasizing speed and real-time collaboration, while offline systems focus on auditability and redundancy.
Process Step
Online Method
Offline Method
Key Tools Used
Initiation
Digital invoice generation via ERP/CRM systems (e.g., SAP, Oracle NetSuite).
Automated extraction of data from purchase orders or service contracts via OCR (Optical Character Recognition).
Real-time validation against customer/master data in a centralized database.
Manual creation of invoices using templates (e.g., Microsoft Word, Excel).
Physical or scanned copies of purchase orders/service agreements stored in local archives.
Batch validation against hardcopy ledgers or spreadsheet-based master data.
Online: Zoho Invoice, QuickBooks Online, Bill.com
Offline: Microsoft Excel, Adobe Acrobat (for PDF invoices), Local SQL databases
Approval Routing
Multi-level approval workflows via email notifications or integrated platforms (e.g., Slack, Microsoft Teams).
Cloud-based storage with versioning (e.g., AWS S3, Google Cloud Storage).
Automated compliance checks (e.g., GDPR, SOX) via audit logs.
E-signature validation for legal admissibility (e.g., DocuSign, Adobe Sign).
Physical archival in climate-controlled facilities or encrypted local servers.
Periodic manual audits against tax/regulatory requirements.
Microfilm or scanned backups for disaster recovery.
Online: Iron Mountain Digital, Ironclad
Offline: Offsite storage providers, Local NAS/SAN systems
Step-by-Step Bill Processing in Offline Environments
Offline bill processing follows a linear, document-centric workflow where manual interventions dominate. The process prioritizes traceability and physical verification, often requiring multiple approval layers before payment. Below is a structured breakdown of the stages, highlighting manual vs. automated interventions where applicable.
Context: Offline systems are typically deployed in industries with stringent regulatory requirements (e.g., healthcare, government, or legacy manufacturing) or in regions with limited digital infrastructure. The workflow relies on hardcopy documents, batch processing, and periodic reconciliation cycles.
1. Document Creation and Initialization
Invoices are generated manually using pre-approved templates (e.g., company-branded forms or spreadsheet-based layouts). Key data fields—such as vendor details, itemized charges, and tax codes—are entered manually or transcribed from physical purchase orders. Manual intervention is critical at this stage to ensure accuracy, as OCR or digital extraction tools are absent.
Example: A manufacturing firm prints invoices on letterhead, with each copy numbered sequentially for tracking.
2. Approval Routing via Physical or Scanned Workflows
Approval authority is delegated based on invoice value thresholds. Lower-tier invoices may require a single signature, while high-value transactions trigger multi-level reviews involving finance, procurement, and legal teams.
Manual Process: Physical invoices are routed via interoffice mail or scanned into shared drives (e.g., SharePoint) with tracked approval dates.
Automated Intervention (Limited): Some organizations use email-based approval chains (e.g., Outlook rules) or basic workflow tools (e.g., Microsoft Power Automate) to reduce paper handling, though these remain supplementary to manual oversight.
3. Batch Validation Against Master Data
Periodic batch processing occurs to reconcile invoices with:
Purchase orders (POs) stored in
Tools and Software for Online Bill Management
Modern organizations rely on automated bill processing to streamline financial workflows, reduce manual errors, and improve efficiency. Online bill management software integrates invoicing, tracking, and reconciliation into unified platforms, often with cloud-based accessibility and real-time analytics. Selecting the right tool depends on business scale, industry-specific needs, and integration requirements with existing financial systems. Below are the top five software solutions categorized by functionality, along with their key features, pricing models, and integration capabilities.
Top 5 Software Solutions for Online Bill Processing
The following table presents a comparative analysis of leading online bill management tools, highlighting their primary use cases, pricing structures, and compatibility with third-party applications. These solutions are chosen based on user reviews, scalability, and industry adoption.
Software Name
Best For
Pricing Model
Integration Capabilities
Zoho Invoice
Small to mid-sized businesses (SMBs) requiring customizable invoicing and expense tracking.
Freelancers and consultants needing client portal features for bill approvals.
Automated reminders and multi-currency support for global transactions.
Free plan (limited to 1 user, 5 clients).
Paid plans start at $14/month (Standard) for up to 50 clients, scaling to $59/month (Professional) for advanced features.
Annual billing offers discounts (e.g., 30% off).
Native integrations with Zoho Books, QuickBooks, Xero for accounting.
Payment gateways: Stripe, PayPal, Razorpay.
API access for custom workflows (RESTful API with OAuth 2.0).
Plugins for Slack, Google Drive, and Trello for project-based billing.
FreshBooks
Service-based businesses (e.g., agencies, contractors) with time-tracking needs.
Automated expense management and mileage logging.
Client retention tools like automated follow-ups and payment links.
Lite plan: $15/month (billed annually) for basic invoicing.
Plus plan: $25/month for time tracking and expense claims.
Premium plan: $50/month for advanced reporting and custom branding.
API for custom integrations (REST-based with OAuth 2.0).
Partnerships with PayPal, ADP, and ADP Workforce Now for payroll sync.
Tipalti
Global payment networks for B2B and vendor payments.
Companies managing high-volume invoices with multi-currency disbursements.
Organizations requiring compliance with PSD2, GDPR, or local tax laws.
Custom pricing based on transaction volume (typically $0.50–$2 per payment).
Free pilot programs for evaluation.
Enterprise contracts include dedicated account managers.
ERP/Accounting: SAP, Oracle, Workday.
Payment rails: SWIFT, ACH, local bank transfers, cryptocurrency (via partners).
API for real-time payment tracking and reconciliation.
Integrations with Salesforce, Coupa, and Jaggaer for procurement.
Role of APIs and Third-Party Plugins in Enhancing Online Bill Systems
Application Programming Interfaces (APIs) and third-party plugins act as bridges between online bill management systems and other critical business tools, enabling automation, data synchronization, and extended functionality. These integrations reduce manual data entry, minimize errors, and provide actionable insights through unified dashboards.
Key Benefits of API-Driven Integrations:
Automated Data Flow: APIs sync invoices, expenses, and payments between platforms in real time. For example, a sale recorded in a CRM (e.g., Salesforce) can auto-generate an invoice in Zoho Invoice via API.
Payment Processing: Plugins like Stripe or PayPal embed payment gateways directly into invoices, allowing clients to settle bills instantly without switching platforms.
Accounting Sync: Tools such as QuickBooks or Xero pull transaction data from bill management software, ensuring consistency across financial records.
Workflow Automation: Approval chains for expenses or vendor payments can be triggered automatically when an invoice reaches a threshold (e.g., >$1,00
Offline Bill Systems: Manual and Hybrid Approaches in Traditional Workflows
Offline bill processing systems remain integral to industries where digital infrastructure is limited, regulatory compliance mandates physical documentation, or operational workflows prioritize human oversight. These systems rely on manual handling of invoices, receipts, and approvals, often involving paper-based records, physical signatures, and centralized archiving. While modern digital tools enhance efficiency, offline methods persist in sectors like healthcare (patient billing), manufacturing (vendor invoices), and logistics (freight documentation), where immediate data access is secondary to auditability and compliance.
The persistence of offline bill systems stems from their alignment with industries where transaction volumes are moderate, approval hierarchies are rigid, and legacy processes resist rapid digitization. For instance, a manufacturing plant may process vendor invoices weekly via paper submissions, while a hospital retains physical patient bills for tax and insurance reconciliation. Below, the workflows, advantages, and transition strategies for these systems are examined, alongside industry-specific comparisons.
Traditional Offline Bill Workflow: Physical Documentation and Approval Chains
Offline bill processing follows a structured yet labor-intensive sequence, beginning with the generation of paper-based invoices or receipts. Key stages include:
Document Generation and Distribution
Invoices are printed, often with carbon copies or watermarked paper, and distributed via mail, courier, or in-person delivery. For example, a manufacturing firm may receive vendor invoices via postal mail, while a retail store prints receipts for customers on thermal paper. Manual data entry follows, where clerks transcribe details into ledgers or spreadsheet templates, introducing risks of transcription errors.
Approval Hierarchies and Validation
Approval chains vary by industry but typically involve multiple tiers:
First-level review: A department head or supervisor verifies invoice accuracy against purchase orders (POs) or service contracts.
Financial validation: The accounts payable (AP) team cross-checks against general ledger entries and tax codes.
Executive sign-off: Senior management or designated approvers authorize payments, often with wet signatures or stamped approvals.
In healthcare, this may include a billing clerk, department head, and compliance officer to ensure adherence to HIPAA regulations.
Archiving and Retrieval
Physical storage methods dominate, with options including:
Filing cabinets: Alphabetical or numerically sorted by invoice date, vendor, or project.
Microfiche/microfilm: Used in industries like legal or government for long-term preservation.
Offsite storage: Secure vaults or third-party facilities for compliance-sensitive documents.
Retrieval involves manual searches, often time-consuming, with retrieval times ranging from minutes to hours depending on filing organization.
Payment Processing
Payments are initiated via checks, bank transfers (with manual reference numbers), or electronic funds transfer (EFT) after manual data entry into banking systems. Reconciliation occurs post-payment, where AP teams match payment records with approved invoices.
Pros and Cons of Offline Bill Systems
Offline bill systems offer cost-effectiveness in low-volume environments but introduce scalability and accuracy challenges as transaction volumes grow. Their reliance on manual processes ensures high compliance visibility for audits but at the cost of operational inefficiency in data retrieval and error-prone handling.
Advantages
Cost Efficiency: Minimal software licensing or IT infrastructure costs; suitable for small businesses or low-transaction industries.
Regulatory Compliance: Physical records provide tangible evidence for audits, critical in healthcare (e.g., CMS requirements) or government contracts.
Human Oversight: Manual review reduces automated errors, such as misclassified expenses or fraudulent transactions.
Accessibility: No dependency on internet or digital tools, ensuring functionality in remote or low-connectivity areas.
Disadvantages
Error Prone: Manual data entry leads to transcription mistakes (e.g., incorrect vendor details, duplicated payments), with error rates exceeding 1% in high-volume settings.
Scalability Limits: Processing time increases linearly with invoice volume; a 100% growth in bills may require 200% more staff hours.
Delayed Processing: Approval chains slow down payments, with delays of 7–30 days common in manufacturing due to multi-tier validations.
Storage Costs: Physical archiving requires space, climate control (to prevent document degradation), and periodic reorganization.
Disaster Risk: Paper documents are vulnerable to loss (e.g., fires, floods) or damage (e.g., ink fading, tears), with no automated backups.
Checklist for Transitioning from Offline to Hybrid Bill Systems
A phased transition to a hybrid model—combining offline and online tools—mitigates disruption while preserving compliance. Below is a structured checklist for implementation:
Hardware and Software Requirements
Scanning Equipment: High-speed document scanners (e.g., Fujitsu fi-7160 for 60+ pages/minute) with OCR (Optical Character Recognition) to digitize paper invoices.
Document Management Software (DMS): Solutions like DocuWare, M-Files, or SharePoint to store, index, and retrieve digital copies.
ERP/AP Integration: Compatibility with existing systems (e.g., SAP, Oracle, QuickBooks) to sync digital invoices with accounting ledgers.
Mobile Capture Tools: Apps like Expensify or Bill.com for on-the-go invoice scanning and approvals.
Secure Cloud Storage: Encrypted storage (e.g., AWS S3, Google Drive) for compliance-sensitive documents, with access controls (e.g., role-based permissions).
Staff Training and Workflow Adjustments
Role-Specific Training:
Data Entry Clerks: OCR software operation, data validation rules, and digital filing protocols.
Approvers: Use of e-signature tools (e.g., DocuSign, Adobe Sign) and digital approval dashboards.
IT/Compliance Teams: Configuration of DMS access levels, audit trails, and disaster recovery plans.
Pilot Testing: Run a 30–60 day trial with a subset of vendors/invoices to identify bottlenecks (e.g., low OCR accuracy for handwritten notes).
Change Management: Communicate benefits (e.g., reduced processing time, error rates) and address resistance via workshops or FAQs.
Process Optimization Steps
Invoice Capture Workflow:
1. Scan paper invoices into DMS with metadata tags (vendor, PO number, due date).
2. Auto-extract data via OCR; flag discrepancies for manual review.
3. Route digital invoices to approvers via email or portal notifications.
Approval Automation:
Set up rule-based routing (e.g., invoices under $1,000 auto-approve; others require manager sign-off).
Implement escalation alerts for pending approvals beyond SLA thresholds.
Archiving Hybridization:
Retain physical copies for legal holds or legacy systems but digitize all new invoices.
Use DMS retention policies to auto-delete scanned copies after compliance periods (e.g., 7 years for tax records).
Cost-Benefit Analysis Template
Category
Offline Cost
Hybrid Cost
Savings/ROI
Labor (FTEs)
5 clerks (40 hrs/week)
3 clerks + 1 DMS admin
40% reduction in headcount
Error Correction
$20,000/year (manual fixes)
$3,000/year (OCR + audits)
$17,000 annual savings
Storage
$5,000/year (filing cabinets)
$2,000/year (cloud storage)
$3,000 annual savings
Processing Time
15 days average approval
3 days average approval
80% faster cycle time
Compliance Risks
High (manual audit trails)
Moderate (DMS audit logs)
Reduced audit penalties
Industry Comparison: Retail vs. Logistics in Offline Bill Processing
While both retail and logistics industries rely on offline bills, their workflows diverge significantly in volume, complexity, and compliance requirements.
Retail (Point-of-Sale and Vendor Invoicing)
Volume: High-frequency, low-value transactions (e.g., 10,000+ receipts/month for a supermarket chain).
Process:
Customer Receipts: Thermal paper receipts printed at checkout, with minimal data (itemized purchases, totals).
Vendor Invoices: Weekly/monthly paper invoices from suppliers (e.g., produce, electronics), requiring PO matching.
Approval: Centralized AP team validates invoices against POs; payments via EFT or checks.
Challenges:
Scalability: Manual entry of 10,000+ receipts monthly
Security and Compliance in Online vs. Offline Bills
Digital transformation in billing systems introduces critical security and compliance considerations that differ significantly from traditional offline methods. Online bill management enhances efficiency but exposes organizations to cyber threats, regulatory scrutiny, and data integrity risks. Security measures such as encryption, audit trails, and access controls are essential to mitigate fraud, unauthorized access, and breaches. Compliance standards like GDPR and HIPAA impose strict requirements on data handling, storage, and processing, necessitating a structured comparison between digital and physical record-keeping. Additionally, technologies like digital signatures and blockchain offer advanced validation mechanisms, contrasting with notarized or hand-signed offline documents. Transitioning from offline to online systems requires a phased approach, including encrypted data migration and role-based permission frameworks to ensure continuity and security.
Critical Security Measures for Online Bill Systems
Online bill systems must integrate layered security protocols to protect sensitive financial and customer data. The primary measures include:
- Data Encryption: Ensures confidentiality by converting data into unreadable formats during transmission and storage. Transport Layer Security (TLS) secures data in transit, while Advanced Encryption Standard (AES-256) protects stored data. Blockquote: "Encryption is the cornerstone of data security, preventing unauthorized decryption even if data is intercepted or accessed without authorization."
Types of Encryption:
Symmetric Encryption: Uses a single key for encryption/decryption (e.g., AES, DES). Ideal for bulk data but requires secure key distribution.
Asymmetric Encryption: Employs public-private key pairs (e.g., RSA, ECC). Secure for key exchange and digital signatures but computationally intensive.
Hashing: Generates fixed-length hash values (e.g., SHA-256) for data integrity verification, though not reversible for decryption.
- Audit Logs and Activity Monitoring: Maintains immutable records of user actions, access attempts, and system changes. SIEM (Security Information and Event Management) tools aggregate logs for anomaly detection.
Key Log Components:
Timestamps, user identities, actions performed (e.g., bill generation, access, modification).
IP addresses and device fingerprints to trace unauthorized activities.
Integration with GDPR’s Right to Access and HIPAA’s Audit Controls requirements.
- Access Controls and Role-Based Permissions: Restricts system access based on job functions to minimize exposure. Zero Trust Architecture assumes no implicit trust, verifying every access request.
Implementation Strategies:
Multi-Factor Authentication (MFA): Combines passwords with biometrics or hardware tokens.
Least Privilege Principle: Grants minimal access necessary for roles (e.g., accountants vs. administrators).
Session Timeouts: Automatically terminates inactive sessions to prevent session hijacking.
Compliance Standards Comparison: Online vs. Offline Bill Storage
Regulatory frameworks dictate how billing data must be handled, stored, and disposed of. Below is a comparative analysis of key compliance standards for online and offline systems:
Compliance Standard
Online Bill Storage Requirements
Offline (Physical) Bill Storage Requirements
Key Differences and Challenges
GDPR (General Data Protection Regulation)
Data must be encrypted during transmission and at rest.
Right to erasure ("right to be forgotten") requires automated deletion processes.
Data subject access requests (DSARs) must be fulfilled within 30 days.
Data Protection Impact Assessments (DPIAs) required for high-risk processing.
Physical records must be stored in locked, fire-resistant cabinets.
Access logs for retrieval must be maintained manually.
Destruction of records requires certified shredding or incineration.
No automated compliance tracking; reliant on manual audits.
Online systems enable automated compliance but require robust audit trails.
Offline systems lack scalability for DSARs and face higher risks of physical loss/theft.
GDPR’s "data minimization" principle is easier to enforce digitally via access controls.
HIPAA (Health Insurance Portability and Accountability Act)
Electronic Protected Health Information (ePHI) must be encrypted (AES-256 recommended).
Access controls must align with the "minimum necessary" standard.
Automated breach notification systems required for security incidents.
Business Associate Agreements (BAAs) must cover third-party vendors.
Physical records must be stored in locked rooms with restricted access.
Manual logging of access to patient records is required.
Disposal must comply with HIPAA’s "addressable" standards (e.g., shredding).
No electronic audit trails; reliant on paper-based tracking.
Online systems reduce human error but require strict ePHI encryption policies.
Offline systems are vulnerable to environmental risks (floods, fires) and manual errors.
HIPAA’s "secure electronic transmission" rule mandates online systems for covered entities.
PCI DSS (Payment Card Industry Data Security Standard)
Cardholder data must be encrypted using strong cryptographic methods.
Tokenization replaces sensitive data with non-sensitive equivalents.
Regular vulnerability scans and penetration testing required.
Access to cardholder data restricted to essential personnel.
Physical storage of payment details prohibited under PCI DSS.
Manual processes must be documented and audited quarterly.
No electronic records allowed for cardholder data.
Online systems are the only compliant option for PCI DSS; offline storage is explicitly banned.
Digital tokenization reduces exposure to fraud but requires strict key management.
Offline systems introduce higher risks of data leakage through human handling.
Validation Mechanisms: Digital Signatures vs. Notarized/Hand-Signed Documents
Digital signatures and blockchain provide tamper-evident validation for online bills, contrasting with traditional notarization or hand-signed offline documents. The choice depends on legal recognition, fraud prevention needs, and operational efficiency.
- Digital Signatures:
Mechanism: Uses cryptographic techniques to bind a signer’s identity to a document. Qualified Electronic Signatures (QES) under eIDAS Regulation (EU) or ESIGN Act (U.S.) hold legal equivalence to handwritten signatures.
Process:
1. Signer’s private key encrypts a hash of the document.
2. Recipient uses the signer’s public key to verify the signature and document integrity.
Advantages:
Non-repudiation: Signer cannot deny authenticity.
Tamper-Evidence: Any alteration invalidates the signature.
Automation: Integrates with workflows (e.g., e-invoicing under PEPPOL).
Limitations:
Relies on secure key management; lost private keys void signatures.
Legal recognition varies by jurisdiction (e.g., UETA in the U.S., eIDAS in the EU).
- Blockchain for Bill Validation:
Mechanism: Immutable ledger records transactions or document hashes. Smart contracts automate verification.
Process:
1. Bill details are hashed and added to a blockchain (e.g., Hyperledger Fabric, Ethereum).
2. Consensus mechanisms (e.g., Proof of Work, Byzantine Fault Tolerance) validate entries.
Advantages:
Cost Analysis: Online vs. Offline Bill Systems
The transition from traditional offline bill processing to modern online systems involves significant financial considerations beyond initial software costs. Total Cost of Ownership (TCO) analysis over a 5-year horizon reveals critical differences in operational expenses, efficiency gains, and hidden expenditures. While offline systems may appear cost-effective upfront, their cumulative financial burden—including manual labor, storage, and compliance risks—often surpasses the long-term savings of digital alternatives. This section evaluates the financial implications of both approaches, quantifies hidden costs, and provides a structured framework for comparing investments.
Total Cost of Ownership (TCO) for Online Bill Systems Over 5 Years
A comprehensive TCO analysis for online bill systems must account for initial setup costs, recurring operational expenses, and intangible benefits such as time savings and error reduction. Below is a breakdown of key cost components over a 5-year period, assuming a mid-sized business (50–200 employees) adopting a cloud-based or SaaS bill management solution.
Initial Investment (Year 1)
Software Licenses: Annual subscription fees for enterprise-grade bill management software (e.g., Bill.com, Tipalti, or custom ERP integrations) range from $15,000 to $50,000, depending on user tiers and features (e.g., automation, AI-driven approvals).
Implementation Costs: Customization, API integrations, and system configuration may add $10,000–$30,000, particularly for businesses with legacy ERP or accounting systems.
Hardware/Infrastructure: Minimal for cloud-based solutions, but on-premise deployments require servers, storage, and IT setup ($5,000–$20,000).
Employee Training: Workshops and e-learning modules for staff transitioning from manual to digital workflows cost $3,000–$10,000 per year.
Recurring Costs (Years 2–5)
Subscription Fees: Annual renewals typically increase by 5–10% due to inflation or feature upgrades ($18,000–$55,000 cumulatively).
Maintenance and Support: IT support contracts (including troubleshooting, updates, and security patches) average $5,000–$15,000/year.
Data Storage and Backup: Cloud storage for digital bills and audit trails costs $1,000–$5,000/year, with scalable pricing for high-volume users.
Compliance and Security Upgrades: Regular audits, encryption, and GDPR/PCI-DSS compliance may incur $2,000–$10,000/year in additional costs.
Intangible Savings (Quantifiable Over Time)
Time Savings: Automation reduces processing time by 60–80%, translating to $50,000–$200,000/year in labor cost savings for manual-intensive tasks.
Error Reduction: Digital systems minimize human errors (e.g., misrouting, duplicate payments), reducing financial losses by $10,000–$50,000/year.
Scalability: Online systems adapt to growth without proportional cost increases, unlike offline systems requiring additional storage or staff.
Example TCO Projection (5 Years)
Category
Low-End Estimate
High-End Estimate
Initial Setup
$33,000
$110,000
Annual Subscriptions
$90,000
$275,000
Maintenance/Support
$25,000
$75,000
Training
$15,000
$50,000
Total TCO (5 Years)
$163,000
$510,000
Note: Hidden savings (e.g., reduced late fees, improved cash flow) can offset up to 30–50% of the TCO for businesses with high invoice volumes.
Comparative Cost Analysis: Monthly Offline vs. Online Bill Processing
A side-by-side comparison of monthly expenses highlights the disparity between offline (paper-based) and online systems. Below is a bar chart description for visualization using `
