Final answer:
In classic General Ledger Accounting, customers can use RFBILA00 to generate financial statements at the company code and business area levels for financial reporting.
Step-by-step explanation:
Customers using classic General Ledger Accounting can create a financial statement using the report RFBILA00 at the company code level and the business area level.
These levels are integral to SAP's organizational structure for financial reporting. The company code level represents an independent accounting unit within the financial system, such as a company or subsidiary, and the business area level allows for internal reporting across different areas of the business.