PLEASE SHOW ALL CALCULATIONS IN DETAIL!!! Thank you

*** This is the 3rd post, I have done for this very same question. I ask for calculations. The other responses get 6.7 as Actual Quantity. I don't know where this amount came from. So if you could please show how this came about so I can learn. Thank you.

Marvel Parts, Inc., manufactures auto accessories. One of the companys products is a set of seat covers that can be adjusted to 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 990 hours each month to produce 1,980 sets of covers. The standard costs associated with this level of production are: Total Per Set of Covers

Direct materials $ 39,798 $20.10

Direct labor $ 5,940 3.00

Variable manufacturing overhead (based on direct labor-hours) $ 3,168 1.60 Total $24.70 During August, the factory worked only 1,000 direct labor-hours and produced 2,200 sets of covers. The following actual costs were recorded during the month: Total Per Set of Covers

Direct materials (7,400 yards) $ 40,700 $18.50

Direct labor $ 8,140 3.70

Variable manufacturing overhead $ 3,960 1.80

Total $24.00 At standard, each set of covers should require 3.0 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. 2. Compute the labor rate and efficiency variances for August. 3. Compute the variable overhead rate and efficiency variances for August. (Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (i.e., zero variance). Input all amounts as positive values.)

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