Landram Corporation makes a product with the following standard costs: Standard Quantity or Hours Standard Price or Rate Direct materials 2.0 liters $7.00 per liters Direct labor 1.7 hours $13.00 per hour Variable overhead 1.7 hours $7.00 per hour The company produced 4,700 units in April using 10,350 liters of direct material and 2,330 direct labor-hours. During the month, the company purchased 10,920 liters of the direct material at $7.35. per liter. The actual direct labor rate was $13.90 per hour and the actual variable overhead rate was $6.70 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 purchased. The materials quantity variance for April is: $6,983 U $6,983 F $6,650 F $6,650 U