Exam 3: am 3 1 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 ntity or Hours per Unit of Direct labor Variable manufacturing overhead 8.80 1iters 0.40 hours 0.40 hours $28.70 per hour 7.30 per hour The company has reported the following actual results for the product for September Actual output 11,000 units 98,400 liters $854,500 Actual cost of raw materials purchased Raw materials used in production Actual direct labor-hours Actual direct labor cost Actual variable overhead cost 96,830 liters 4,000 hours $120,302 25,414 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 varlable overhead efficiency variance for September. indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (i.e., zero varlance). Input all amounts as positive values.)