2) Rardin Corporation makes a product with the following standard costs: Direct materials... Direct labor.... Variable overhead. Standard Quantity or Hours 7.4 ounces 0.3 hours 0.3 hours Standard Price or Rate $8.00 per ounce $16.00 per hour $7.00 per hour The company reported the following results concerning this product in July. Actual output Raw materials used in production 2,200 units 16,420 ounces 17,900 ounces aterials . . 720 hours $141,410 $12,528 $5,112 Actual cost of raw materials purchases Actual variable overhead cost. The company applies variable overhead on the basis of direct labor-hours. The direct materials purchases variance is computed when the materials are purchased Required: a. Compute the materials quantity variance. b. Compute the materials price variance. c. Compute the labor efficiency variance. d. Compute the labor rate variance. e. Compute the variable overhead efficiency variance. f. Compute the variable overhead rate variance