Q2. Internal Control (6 marks) a. The bookkeeper of a given company was stealing cash received from customers in payment of their accounts. To conceal the theft, the bookkeeper made out false credit memos indicating returns and allowances made by or granted to customers. What feature of internal control would have prevented the thefts? (1 mark) b. Identify some procedures that could strengthen an internal control structure. (2 marks) c. Why should a company establish an internal control structure