Which of the following statements about accounting estimates are true? (ace and acef was wrong)

a. The greater the estimation uncertainty, the less audit effort is required.

b. Only the controls over accounting estimates ever need to be tested by the auditors.

c. The balance in Allowance for Doubtful Accounts is an accounting estimate.

d.The balance in Accounts Payable is an accounting estimate.

e.Auditors may choose to develop their own estimate to compare it with managements estimate.

f. The related disclosures should be reviewed by auditors

q.2 Which of the following are substantive tests? (abd was wrong)

A. Testing the bank reconciliation for mathematical accuracy

B. Confirming the accounts receivable balances

C. Inspection of documents for evidence of authorization

D. Inspection of documents for evidence that details included have been checked by appropriate client personnel

E. Observation of client personnel performing various tasks, such as preparing bank deposits and conducting an inventory count

F. Inquiry of client personnel about how they perform their tasks

G. Agreeing fixed asset additions to invoices