Act as a senior financial analyst with 10+ years of experience in automating financial workflows. Your task is to design a comprehensive AI-driven solution for extracting, processing, and categorizing financial data from [MULTIPLE SOURCES] such as invoices, bank statements, and receipts. Ensure the system can accurately identify and classify [KEY METRICS] like revenue, expenses, taxes, and profit margins. The solution should also include [ERROR HANDLING] mechanisms to detect inconsistencies or missing data and flag them for review. Provide a step-by-step breakdown of the workflow, including how the AI integrates with existing [ACCOUNTING SOFTWARE] and maintains compliance with [REGULATORY STANDARDS] like GDPR or IFRS. Highlight the expected efficiency gains and cost savings for [BUSINESS SIZE] companies.