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Kropf Inc. has provided the following data concerning one of the products in its standard cost system. Variable manufacturing overhead is applied to products on the basis of direct labor-hours. Standard Quantity or Hours per Unit of Inputs Output Standard Price or Rate Direct materials 7.90 liters $ 7.50 per liter Direct labor 0.50 hours $26.70 per hour Variable manufacturing overhead 0.50 hours $ 6.40 per hour 36.52 The company has reported the following actual results for the product for September retual 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 coat 10,100 units 80,500 liters $615,500 79.800 liters 4.770 hours $130,302 $ 23,814 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 spending variance for September 1. Compute the variable overhead efficiency variance for September Indicate the effect of each variance by selecting "F" for favorable. "U" for unfavorable, and "None" for no effect (l.e., zero variance). Input all amounts as positive values.) Materiais price variance Materials quantity variance 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 10,100 units 80,500 liters $615,500 79, 800 liters 4,770 hours $130,302 $ 23,814 36:38 ok 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 spending 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, and variance). Input all amounts as positive values.) c. a. Materials price variance b. Materials quantity variance Labor rate variance d. Labor efficiency variance e variable overhead spending variance f. Variable overhead efficiency variance