1. The auditor of the revenue cycle of ABC Company computes an estimate of ABC's allowance for doubtful accounts and compares it to the estimate provided by ABC's management. The purpose for this procedure is to substantiate which assertion?

a.	Existence of receivables.
b.	Cutoff of receivables.
c.	Valuation of receivables.
d.	Rights to receivables.

2. What evidence is utilized by the auditor for analytical purposes in substantiating the completeness of the allowance for bad debt estimate?

a.	Accounts receivable aging schedule.
b.	Copies of checks received from customers.
c.	Confirmations returned without exception.
d.	Stock prices of customer companies.

3. Much of the understanding of revenue transactions for compliance with IFRS 15 can be performed by accomplishing which of the following tasks?

a.	Examining sales contracts and inquiry of management.
b.	Confirming sales with customers.
c.	Discussing the transactions with qualified members of the IASB.
d.	Comparing shipping documents with invoices.

4. For which of the following accounts receivable customer populations would the use of negative confirmations be most appropriate?

a.	A retail truck and trailer sales company with high inherent risk and moderate control risk over the revenue cycle.
b.	A utility company with control risk over the revenue cycle assessed high.
c.	A mortgage banking company with excellent control over the purchasing cycle.
d.	A cable company with control risk over the revenue cycle assessed low.