Of the Following, Which Is the Most Efficient Audit Procedure

Multiple Choice

Of the following, which is the most efficient audit procedure for verification of interest earned on bond investments?

A) Tracing interest declarations to an independent record book.
B) Recomputing interest earned using the interest rate and bond amount.
C) Confirming the interest rate with the issuer of the bonds.
D) Vouching the receipt and deposit of interest checks.