Tharaldson Corporation makes a product with the following standard costs: Direct materials Direct labor Variable overhead Standard Quantity or Hours 7.3 ounces 0.2 hours 0.2 hours Standard Standard Price or Cost Per Rate Unit $ 3.00 per ounce $21.90 $17.00 per hour $ 3.40 $ 6.00 per hour $ 1.20 The company reported the following results concerning this product in June. Originally budgeted output Actual butput Raw materials used in production Purchases of raw materials Actual direct labor-hours Actual cost of raw materials purchases Actual direct labor cost Actual variable overhead cost 2,700 units 2,800 units 18,500 ounces 21,600 ounces 480 hours $ 42,100 $ 12,700 $ 3,350 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 efficiency variance for June is