Direct materials Direct labor Variable overhead Standard Quantity or Hours 7.4 ounces 0.3 hours 0.3 hours Standard Price or Rate $ 2.00 per ounce $ 18.00 per hour $ 7.00 per hour Standard Cost Per Unit $ 14.80 $ 5.40 $ 2.10 The company reported the following results concerning this product in June. Originally budgeted output Actual output 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 2,800 units 2,900 units 20,600 ounces 21,700 ounces 490 hours $ 42,200 $ 12,800 $ 3,400 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