> DO IT! The standard cost of Product YY includes 3 hours of direct labor at $12.00 per hour. The predetermined overhead rate is $20.00 per direct labor hour. During July, the company incurred 3,500 hours of direct labor at an average rate of $12.40 per hour and $71,300 of manufacturing overhead costs. It produced 1,200 units. (a) Compute the total, price, and quantity variances for labor. (b) Compute the total overhead variance. Substituting amounts into the formulas, the variances are: Total labor variance = Labor price variance = Labor quantity variance = Total overhead variance = *3,600 hours x $20.00