Ortman Corporation makes a product with the following standard costs Direct materials... Direct labor Variable overhead Standard Quantity or Hours 7.9 liters 07 hours 0.7 hours Standard Price or Rate $8.00 per liter $17.00 per hour $1.00 per hour The company reported the following results concerning this product in May 1.600 units 12.490 liters Raw materials used in productiorn Actual direct labor-hours Purchases of raw materials Actual price of raw materials purchased Actual direct labor rate Actual variable overhead rate 1,090 hours 14,000 liters $8.10 per liter $16.10 per hour $0.90 per hour The company applies variable overhead on the basis of direct labor-hours The direct materials purchases variance is computed when the materials are The materials quantity variance for May is O $1200 U $1,200 F O $1215 F O $1215 u