Review the current document storage system used by [Company Name] and create a report outlining the efficiency of document retrieval processes. Highlight any bottlenecks in accessing financial, administrative, or compliance-related documents, and suggest improvements for better categorization and retrieval time reduction. Specifically, assess the following document types: contracts, invoices, tax filings, and employee records. Based on the report, outline the steps for reorganization or digitalization efforts to enhance workflow efficiency.