Exercise 1554 Manigold, Inc. is trying to establish the standard labor cost of a typical oil change, The following data have been collected from time and motion studies conducted over the past month Actual time spent on the oil changer 1.00 hour Hourly wage rate $10 10% of wage rate Payroll taxes 20% of actual labor time Setup and downtime 30% of actual labor time Cleanup and rest periods 25% of wage rate Fringe benefits decimal plaNces, e.g. 1.25.) Determine the standard direct labor hours per oil change. (Round answer to hours Standard direct labor hours per oil change Determine the standard direct labor hourly rate. (Round answer to 2 decimal places, e.g. 1.25.) Standard direct labor hourly rate Determine the standard direct labor cost per oil change. (Round answer to 2 decimal places, e-g. 1.25.) Standard direct labor cost per oil change If a oil change took 1.70 hours at the standard hourly rate, what was the direct labor quantity variance? (Round answer to 2 decimal places, eg. 1.25.) Direct labor quantity variance