Exercise 10-5 working backwards from labor variances [lo10-2] the auto repair shop of quality motor company uses standards to control the labor time and labor cost in the shop. the standard labor cost for a motor tune-up is given below: standard hours standard rate standard cost motor tune-up 2.50 $31.00 $77.50 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 the following variance data relating to tune-ups: labor rate variance $ 146 f labor spending variance $ 102 u required: 1. determine the number of actual labor-hours spent on tune-ups during the week. 2. determine the actual hourly rate of pay for tune-ups last week. (round your answer to 2 decimal places.) garrison 16e rechecks 2017-11-06, 06_03_2019_qc_cs-169598 next visit question mapquestion 5 of 8 total 5 of 8 prev