Develop a detailed response for each of the following questions, drawing upon the concepts and processes described in the source material.

1. Describe the primary functions of at least five distinct submodules within SAP FI, such as General Ledger, Accounts Receivable/Payable, and Asset Accounting.
2. Explain the complete process of creating a new vendor master record in SAP FI, detailing the key information required in the General Data, Company Code Data, and Purchasing Data sections.
3. Compare and contrast the roles and hierarchical structures of a Cost Center, a Profit Center, and a Standard Hierarchy within the SAP CO module.
4. Discuss the integration between SAP FI, MM (Materials Management), and SD (Sales and Distribution). Provide specific examples, such as goods movement types and billing documents, to illustrate how transactions in MM and SD result in financial postings in FI.
5. Outline the key steps and configurations required to set up an Automatic Payment Run (APP) in SAP FI, including the roles of company codes, payment methods, bank determination, and house banks.