Please provide an answer for the following question.

QUESTION 5: (a) For each of the following tests of controls, specify the assertion that is tested

(i) Select a sequence of Sales Orders and inspect for evidence that they are prenumbered and that a sequence check has been performed.

(ii) Select a sample of entries in the Sales Journal, identify the corresponding Sales Invoices and inspect them to determine if extensions have been checked by a Clerk.

(iii) Select a sample of sales orders from the file and inspect to determine if they have been authorised prior to processing.

(b) Below are stated three internal controls and the corresponding tests of the controls. Treating each pair separately, specify the starting point for the test of control and the information used for verification.

(i) Internal Control: Receiving Reports are prenumbered and periodically a Clerk account for a sequence. She evidences this by initialling the Receiving Reports. Test of Control: The auditor examined a sequence of prenumbered Receiving Reports for evidence that the sequence had been reviewed by one the clients staff

(ii) Internal Control: Purchases are only made once the Purchasing Manager has approved the purchase. He evidences this by signing the Purchase Order. Test of Control: The auditor examined a sample of Purchase Orders for evidence that they had been approved by the Purchasing Manager.

(iii) Internal Control: Prior to recording a liability a Clerk performs a three way match of the comparison of the Purchase Order, Receiving Report and Sales Invoice. He places a cross on the voucher pack to indicate performance of the internal control. Test of Control: The auditor inspected sample of entries in the Purchases Journal, selected the Voucher Packs and inspected for evidence that the documents had been reconciled.