Miguez Corporation makes a product with the following standard costs: Standard Quantity or Standard Price or Rate 7.30 per liter $25.00 per hour 2.30 per hour Standard Cost Per Unit $18.98 $12.50 1.15 Hours 2.6 liters 0.5 hours 0.5 hours Direct materials Direct labor Variable overhead The company budgeted for production of 2,900 units in September, but actual production was 2,800 units. The company used 5,740 liters of direct material and 1,710 direct labor-hours to produce this output. The company purchased 6,100 liters of the direct material at $7.50 per liter. The actual direct labor rate was $2710 per hour and the actual varlable overhead rate was $2.20 per hour The company applies variable overhead on the basis of direct labor-hours. The direct materials purchases varlance is computed when the materials are purchased. The varlable overhead rate varlance for September is: Multiple Choice $140 F $171 U $171 F $140 U