Final answer:
The correct fill-in-the-blank answer is 'A. Expense Report, 5', which refers to the report that needs to be submitted with original receipts or invoices within five business days of a business purchase for reimbursement.
Step-by-step explanation:
The correct answer is A. Expense Report, 5. When an individual makes a business-related purchase, they are often required to submit an expense report to document and justify the expenditure for reimbursement purposes. This report, accompanied by original invoices and/or receipts, must typically be submitted within a certain number of business days following the purchase. In this scenario, the requirement is for the submission to occur within five business days.