Marvel Parts. Incorporated, manufactures auto accessories including a set of seat covers that can be adjusted to fit most cars. According to its standards, the factory should work. 1,035 Fiours each month to prodyce 2,070 sets of seat covers. The standard costs associated with this level of production are: During August, the factory worked 500 direct labor -hours and produced 1,700 sets of covers. The following actual costs were recorded during the month: At standard, each set of covers should require 2.0 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. At standard, each set of covers should require 20 yards of material. All of the materiats 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 efficiency variances for August. Note: Do not round intermediate calculations, Indicate the effect of each variance by selecting " F " for fovorable, " U " for unfavoroble, and "None" for no effect (i.e., zero variance). Input all omounts as positive values