Required: Which types of input controls would best mitigate the following threats? Threat Input Controls Authorization (for sales transactions) or the use of a validity check on the customer number. a. Posting the amount of a sale to a customer account that does not exist. A customer entering too many characters into the five-digit zip code while b making an online purchase, causing the server to crash. Check digit verification Completeness check c. An intern's pay rate was entered as $150 per hour, not $15 per hour. Approving a customer order without the customer's address so the order d. was not shipped on time. Entering the contract number of a critical contract as 13688 instead of e. 16388, which is a serious mistake for the company. Completeness check Authorization (for sales transactions) or the use of a validity check on the customer number