Which types of input controls would best mitigate the following threats? 1. posting the amount of a sale to a customer account that does not exist. 2. a customer entering too many characters into the five‐digit zip code while making an online purchase, causing the server to crash. 3. an intern’s pay rate was entered as $150 per hour, not $15 per hour. 4. approving a customer order without the customer’s address so the order was not shipped on time. 5. entering the contract number of a critical contract as 13688 instead of 16388, which is a serious mistake to the company