【单选题】If the auditor finds extensive control test deviations and significant misstatements while performing substantive tests of transactions and substantive analytical procedures,
A.
the cost of the audit should decrease.
B.
the auditor will conclude that internal controls are effective.
C.
extensive tests of details of balances will need to be performed.
【简答题】State the relationship between the confirmation of accounts receivable and the results of the tests of controls and substantive tests of transactions.