Tharaldson Corporation makes a product with the following standard costs: Standard Quantity or Hours 5.7 ounces 0.2 hours 8.2 hours Direct materials Direct labor Variable overhead Standard Price or Rate $ 2.00 per ounce $11.00 per hour $6.00 per hour The company reported the following results concerning this product in June. Originally budgeted output. 3,900 units Actual output Raw materials used in production 3,500 units 20,700 ounces 21,800 ounces 530 hours Standard Cost Per Unit $11.40 $ 2.20 $ 1.20 Purchases of raw materials Actual direct labor-hours Actual cost of raw materials purchases $ 42,600 Actual direct labor cost $ 13,900 Actual variable overhead cost. $ 3,950 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 labor rate variance for June is: Multiple Choice O O O $8,070 U $8,070 F $1,780 U $1,780 F