Three (Case Study) (20 Marks) The stock supervisor of a large government department described the procedures carried out by his staff as follows: "Customers (that is other sections within our department) can order items by completing a standard 3-part, multi-line customer demand form. When the customer demand form is received by Sue, she checks to ensure the form has been completed correctly. She then sequentially registers the customer demand on the demand register sheet as well as filling in details such as customer number and date received, on the sheet. Sue then fills out a demand receipt slip, which includes the demand registration number and date received, and returns the slip to the customer. The original copy of the customer demand is filed in the customer demand file. The other 2 copies, or the customer demand set as they are called, are put into Sue's out tray awaiting collection by Bill, the warehouse clerk, three times a day. For each item on a customer demand, Bill searches the stock cards to see if stocks exist in the warehouse to satisfy the demand line. He fills out the amount available for despatch column on the demand line with the amount