7. When an auditor decides to confirm accounts receivable balances rather than individual invoices, it most likely would be beneficial to include with the confirmations

a. Copies of the client’s shipping documents that support the account balances.

b. Lists of the customers’ recent payments that the client has already recorded.

c. Client-prepared statements of account that show the details of the account balances.

d. Copies of the customers’ purchase orders that support the account balances.