uality Motor Company is an auto repair shop that uses standards to control its labor time and labor cost. The standard labor cost for a motor tune-up is given below: Standard Hours Standard Rate Standard Cost Motor tune-up 2.50 $ 36.00 $ 90.00 The record showing the time spent in the shop last week on motor tune-ups has been misplaced. However, the shop supervisor recalls that 56 tune-ups were completed during the week, and the controller recalls