Question 13 Sheffield Company's standard labor cost per unit of output is $36.00 (3.00 hours x $12.00 per hour). During August, the company incurs 4,290 hours of direct labor at an hourly cost of $13.20 per hour in making 1,300 units of finished product. Compute the total, price, and quantity labor variances. (Round answers to 2 decimal places, e.g. 52.75.) Total labor variance Labor price variance Labor quantity variance