Marvel Parts, Incorporated, manufactures auto accessories. One of the company's products is a set of seat covers that can be adjusted Io fit 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 1,065 hours each month to produce 2,130 sets of covers. The standard costs associated with this level of production are: During August, the factory worked only 1,050 direct laborhours and produced 2700 sets of covers. The foliowing actual costs were recorded during the monthe At standard, each set of covers should require 2.0 yords of materlal. All of the materlals purchased during the month woro used in production. Required: 1. Compute the moterlals price and cuantity variances for August. 2. Compute the labor rate and efficiency variances for August. 3. Compute the variable overiead rate and efficiency varlances for August. (Do not round intermediate calculntions. Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effest (l.e.. zero variance). input all amounts as positive valies.)