Answer:
The audit procedures whether controls, a substantive test, or dual-purpose test and the Financial statement assertion of the following procedures are given in the explanation below:
Explanation:
1.Vouch recorded sales invoices to supporting shipping documents.----
-----Dual-purpose/occurence and existence
2)Inspect recorded sales invoices for credit approval-----Test of controls/valuation and occurence
3) Vouch recorded sales invoices prices to the approved price list.
--Test of Controls/accuracy
4. Send confirmations to all customers regarding accounts receivable.
----Substantive test/existence
5) Recalculate the arithmetic accuracy of the recorded sales invoices.-----dual-purpose/accuracy and valuation
6) Compare the shipment date of record sales invoices with the invoice record date.-----dual-purpose/cut-off and completeness
7.)Trace recorded sales invoices to posting in the general ledger control account and in the correct customer's account-----dual-purpose/completeness
8)Select a sample of shipping documents from the shipping shipping department file and trace shipments to recorded sales invoices-------------dual purpose/completeness
9)Scan recorded sales invoices and shipping documents for missing numbers in sequence-----test of controls/completeness
10)Vouch sales invoices and shipping documents.-----Dual-purpose/occurence and existence
11.) Evaluate the adequacy of the allowance for doubtful accounts.
----Substantive/Valuation
