The standard cost of product 5252 includes 1.9 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) Compute the total, price, and quantity variances for labor. (b) Compute the total overhead variance