Direct materials Direct labor Variable overhead Standard Quantity or Hours 2.5 fra 0.7 hours Standard Price or Rate $1.00 per gran $9.00 per hour 93.00 per hour The company reported the following results concerning this product in June. Actual output Raw materiais vted is production Actual direct labor-hours Purchases otra materials Actual price of raw materials purchased Actual direct labor rate Actual variable overhead rate 3,000 to 11.375 1.910 hours 13.100 1.20 per 2.10 per hour 3 $ The company apples variable overhead on the basis of direct labor-hours. The direct materiais purchases variance is computed when the materials are purchased. The variable overhead officiency variance (VOH EV) for June is a. $380 F b. $570F c. $380 V d. $570 U