To Provide Assurance That Each Voucher Is Submitted and Paid

Multiple Choice

To provide assurance that each voucher is submitted and paid only once, an auditor most likely would examine a sample of paid vouchers and determine whether each voucher is

A) Supported by a vendor's invoice.
B) Stamped "paid" by the check signer.
C) Prenumbered and accounted for.
D) Approved for authorized purchases.