Marvel Parts, Inc., manufactures auto accessories. One of the company's products is a set of seat oovers that can be adjusted 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 1.010 each to produce 2020 sets of covers. The standard costs associated with this level of production are: $36,360 S1800 7070 3.50 Variable manufacturing overhead (based on direct labor-hours) 3,030 1.50 $23.00 During August, factory only abor-hours and produced2.700 sets of covers The following actual costs were recorded during the month: Per Set Direct materials (8,100 yards) 46,980 $17.40 9,990 3.70 Variable manufacturing overhead 4,590 1.70 At standard, each set of covers should require 2.00 yards of material All of the materials purchased during the month were used in production. Compute the materials price and quantity variances for August (nput all amounts as positive values. Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and for no effect (ie, zero variance).)