Problem 10-9 (Algo) Comprehensive Variance Analysis [LO10-1, LO10-2, LO10-3] Marvel Parts, Incorporated, manufactures auto accessories. One of the company's products is a set of seat covers that can be to fit nearly any small car. The company has a standard cost system in use for all of its products. According to the standards th been set for the seat covers, the factory should work 630 hours each month to produce 2.100 sets of covers. The standard cos associated with this level of production are: Total Per Set of Covers Direct materials $ 38, 640 $ 18.40 Direct labor $ 6,380 3.00 Variable manufacturing overhead (based on direct labor-hours) $ 3, 150 1.50 $ 22.90 oncos During August, the factory worked only 500 direct labor-hours and produced 2,000 sets of covers. The following actual costs we recorded during the month: Total Per Set of Covers Direct materials (5, 800 yards) $ 36,080 $ 18.00 Direct labor $ 6,400 3.20 Variable manufacturing overhead $ 4.400 2.20 $ 23.40 At standard, each set of covers should require 2.3 yards of material. All of the materials purchased during the month were used in production. Required: 1 Compute the materials price and quantity variances for August. 2. Compute the labor rate and efficiency variances for August 3. Compute the variable overhead rate and officiercy variances for August Note: Do not round Intermediate calculations. Indicate the effect of each variance by selecting "F" for favorable. "U" for unfavorable, and "None" for no effect ile.. zero variancel, Innut all amounts as nositive values