The standard cost of product 5252 includes 19 hours of direct labor at $15.10 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 $15.40 per hour and $81,800 of manufacturing overhead costs. It produced 2,000 units. (a) Comnute the total nrice and auntitu variannoe fir lahar (b) Compute the total overhead variance Total overhead variance $