The standard cost of product 5252 includes 1.9 hours of direct labor at $13.20 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 $13.40 per hour and $82,600 of manufacturing overhead costs. It produced 2,000 units. (a) Compute the total, price, and quantity vakances for labor. Total labor variance $ Labor price variance $ Labor quantity variance $ (b) Compute the total overhead variance. Total overhead variance $