Sierra's Technology Upgrade
Ipad would be the best way to go because you can easy get some kind of app to design the uniforms and it is mobile, secure, and is great with processing
CAshier and Sales Representative
An IPhone would be best because is it good for keeping up with purchases but would be even better with a credit card scanner so no cash would be available. And the Sales representative can use it as well because it can be used to keep up with the orders of customers and what they want and the quanity.