Lipton Limited makes a product with the following standard costs: Standard Quantity or Hours Standard Price or Rate Standard Cost Per Unit Direct materials Direct labor Variable overhead 8.7 grams 0.8 hours $7.00 per gram $60.90 $12.00 per hour $9.60 0.8 hours $7.00 per hour $5.60 The company reported the following results concerning this product in May. Originally budgeted output Actual output Raw materials used in production Purchases of raw materials Actual direct labor-hours Actual cost of raw materials purchases Actual direct labor cost 2,700 units 2.600 units 23,010 grams 25,300 grams 1,980 hours $169,510 S21.582 $13,464 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.