How would I find the direct labor quantity variance (D)?

Paulson's Piano Service, Inc. is trying to establish the standard labor cost of tuning a typical piano. The following data have been collected from time and motion studies conducted over the past three months. Actual time spent on tuning a piano 1.25 hours Hourly wage rate $50 Payroll taxes 14 % of wage rate Setup and downtime 5 % of actual labor time Travel and rest periods 15 % of actual labor time Fringe benets 22 % of wage rate V Your answer is correct. Determine the standard direct labor hour per each piano that is tuned. (Round answer to 2 decimal places, eg. 15.25.) Standard direct labor hour 1.50 hours (b) V Your answer is correct. Determine the standard direct labor hourly rate. Standard direct labor rate $ 68 per hour eTextbook and Media Attempts: 2 of 5 used V Your answer is correct. Determine the standard direct labor cost per each piano that is tuned. (Round answer to 2 decimal places, e.g. 15.25.) Standard direct labor cost $ per piano (d) Your answer is partially correct. If it took 1.65 hours to tune a piano at the standard hourly rate, what was the direct labor quantity variance? (Round answer to 2 decimal places, as. 15.25.) 4} Direct labor quantity variance $ 9.9 Unfavorable