help please thank you so much

E and F

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 Output 8.10 liters 0.40 hours 0.40 hours Inputs Direct materiala Direct labor Variable manufacturing overhead 03 Standard Price or Rate $ 7.70 per liter $20.70 per hour $ 6.60 per hour The company has reported the following actual results for the product for September Actual output Raw materials purchased Actual cont of raw materiale purchased Raw materials used in production Actual direct labor-hours Actual direct labor cont * Actual variable overhead coat 10,300 unita 84,700 litera $667,500 83,460 litera 3,840 hours $115,302 $ 20,314 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, and "None" for no effect (1.o., zero variance). Input all amounts as positive values.) a. Materials price variance b Materials quantity variance C Labor rate variance d Labor efficiency variance Variable overhead rate variance f Variable overhead efficiency variance $ 15,023 U $ 2310 $ 5.107U 5 8.0360