Choose from the option list provided the procedure the auditor could implement to test the operating effectiveness of the internal control for each of the following situations. Each choice may be used once, more than once, or not at all. 1. To determine that all credit sales transactions of an entity are recorded.
2. To detect a failure to post invoices to customers' accounts ledger.
3. To detect failure to invoice a shipment.
4. To ensure sales orders are properly authorized.
5. To determine goods sent to customers are based only on authorized sales orders.
6. To verify the completeness of cash receipts for cash sales at a retail outlet
7. To ensure cash receipts are deposited.

Required: 1-a. the marketing manager argues that a $5,000 increase in the monthly advertising budget would increase monthly sales by $9,000. calculate the increase or decrease in net operating income. 1-b. should the advertising budget be increased ? yes no hintsreferencesebook & resources hint #1 check my work 8.value: 1.00 pointsrequired information 2-a. refer to the original data. management is considering using higher-quality components that would increase the variable expense by $2 per unit. the marketing manager believes that the higher-quality product would increase sales by 10% per month. calculate the change in total contribution margin. 2-b. should the higher-quality components be used? yes no