Assume that you have performed the following audit procedures for a company client. For each procedure identify the key assertion(s) being tested and why it was performed.

• Checked for cash receipts from debtors that were received by the client in the subsequent (next) accounting period.
• Reviewed cash payments made to suppliers by the client in the subsequent accounting period.
• Reviewed the estimated lives and depreciation methods used to arrive at the Accumulated Depreciation Office Furniture account.
• Examined name on registration certificates for motor vehicles purchased during the year.
• Obtained an independent valuation of equipment held by the company interstate.
• Used a computer program to scan a file to determine that all documents in a numbered series have been accounted for.
• Traced a sample of the clients inventory items to their inventory stock listing.
• Examined a sample of paid invoices from suppliers to see who the invoice was issued to.
• Undertook an analysis of inventory turnover rates.
• Examined a sample of sales invoices for evidence of credit approval for the customer