Response to the following questions:
1. What are internal controls designed to do?
2. Why does a bank keep a signature card on file for customers' accounts?
3. What is the purpose of endorsing a check?
4. Why is it necessary to make general journal entries for the ledger balance side of the bank reconciliation?
5. Why is there generally a difference between the balance in the Cash account on the company's books and the balance on the bank statement?