Identify controls that would help in the following scenarios. Please use full sentences and be specific. Two to three sentences per should be adequate. 1. A secretary indicated that she had worked 40 hours on her regular time card. The university paid her for 400 hours worked that week. 2. One customer was so far in arrears on their payments that the credit manager decided to freeze all sales to them. Yet, the following week, the manager notes that three new credit sales had been made. 3. The A/R department sent 87 checks to the computer center for processing. No one realized that one check was dropped along the way and that the computer therefore processed only 86 checks. 4. A bank deposit was accidentally coded with a withdrawal code. 5. The key-entry operator keyed in the purchase order number as a nine-digit number instead of an eight-digit number