3 Kropf Incorporated has provided the following data concering one of the products in ander coverhead is applied to products on the basis of direct labor hours InputR Direct materials Direct labor Variable manufacturing overhead Standard Quantity of Soure per i t Output 9.00 Lit 0.70 hours 0.70 hours PATIA Standard Pries $7.60 Litr $ 19.10 yer Sour $6.50 per hour The company has reported the following actual results for the product for September Actual output Raw materials purchased Actual cost of raw materials purchased Raw materials used in production Actual direct labor-hours Actual direct labor cost Actual variable overhead cost Danuired 10,200 units 82,600 1iters $ 646,500 81,630 liters 6,600 hours $ 138,302 $ 35,314 $ 35,314 Required: a. Compute the materials price variance for September. b. Compute the materials quantity variance for September. c. Compute the labor rate variance for September. d. Compute the labor efficiency variance for September. e. Compute the variable overhead rate variance for September. f. Compute the variable overhead efficiency variance for September. (Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, a variance). Input all amounts as positive values.)