Marvel Parts, Inc, manufactures auto accessories. One of the company's products is a set of seat covers that can be adjusted to it nearly any small car. The company has a standard cost system in use for all of its products. According to the standards that have been set for the seat covers, the factory should work 1,230 hours each month to produce 2,050 sets of covers. The standard costs associated with this level of production are Per Set of Covers $13 50 Total $27,675 $ 8,610 Drect materials Direct labor Variable manufactuning overhead (based on direct labor hours) 4.20 $ 4,920 240 $20 10 During August, the factory worked only 750 direct labor-hours and produced 1,500 sets of covers. The following actual costs were recorded during the month Per Set of Covers $13 00 4.40 3 20 Total $19,500 $ 6,600 $ 4.800 Direct materials (3,900 yards) Direct labor Variable manufacturing overhead $20 60 At standard, each set of covers should require 1.80 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. (Input all amounts as positive values. Indicate the effect of each variance by selecting "F for favorable, "U" for unfavorable, and "None" for no effect (i.e, zero variance)) $ 22,230 $(9,000) U Materials price variance Materials quantity variance 2. Compute the labor rate and efficiency variances for August (Input all amounts as positive values Indicate the effect of each variance by selecting "F for favorable, "U for unfavorable and "None" for no effect (i.e, zero varianee).) Labor rate variance Labor efficiency variance 3. Compute the variable overhead rate and efficiency variances for August (Input all amounts as positive values. Indieate the effect of each variance by selecting "F" lor tavorable, "Ur for unfavorable, and "None" for no effect (i.e, zero variance).) Variable overhead rate variance Variable overhead efficiency variance