A company’s policy requires that all customers be treated in a fair and consistent manner. Which of the following audit procedures would provide the most persuasive evidence that the policy was followed?

A. Compare the aging of outstanding receivables due from each customer.
B. Compare credit reports with annual sales for a sample of customers.
C. Compare the ratio of outstanding receivables to the authorized credit limit for each customer.

D. Compare the sales discounts offered to each customer.