Eye$-$Dee$-$A$-$Pet, Inc. is a small manufacturing operation engaged in the

selling of digital identification chips that can be implanted into household pets, such as cats and dogs. Customers $($e$.$g$.,$ veterinary clinics, animal hospitals$)$ send orders by mail to the sales order department, where

sales order clerks open the orders and review them for accuracy. For

each order, the clerks enter the customer number, and the computer displays the customer record. T