true or false

2. Accounts receivable confirmations are likely to be more effective for the existence assertion than for the completeness and valuation assertions.

3. The auditor should exercise an appropriate level of professional skepticism throughout the confirmation process.

4. Negative confirmation forms provide audit evidence only when responses are received from the recipients; nonresponses do not provide audit evidence about the financial statement assertions being addressed.

5. The positive confirmation form requests the recipient to respond only if he or she disagrees with the information stated on the request.

6. During the performance of confirmation procedures, the auditor should maintain control over the confirmation requests and responses.