Current Attempt in Progress Engines Done Right Co. is trying to establish the standard labor cost of a typical engine tune-up. The following data have been collected from time and motion studies conducted over the past month. Actual time spent on the tune-up 1.0 hour Hourly wage rate Payroll taxes Setup and downtime Cleanup and rest periods Employee benefits $22 10% of wage rate 10% of actual labor time 20% of actual labor time 25% of wage rate (a)