Question 5 ( 5 points) Martin opens the mail for the Flintstone Company. He lists all customer checks on a spreadsheet that includes the name of the customer and the check amount. The checks, along with the spreadsheet, are then sent to Amanda in the accounting department who records the checks and deposits them daily in the company's checking account. How could the company implove its internal control procedure for the handling of its cash receipts? (Explain in words)