The standard cost of product 5252 includes 1.9 hours of direct labor at $12.60 per hour. The predetermined overhead rate is $22 per direct labor hour. During July, the company incurred 4,000 hours of direct labor at an average rate of $12.90 per hour and $81,300 of manufacturing overhead costs. It produced 2,000 units. (a) Compute the total, price, and quantity variances for labor. Labor price variance $ Labor quantity variance $ (b) Compute the total overhead variance