Tharaldson Corporation makes a product with the following standard costs Direct materials Standard Quantity or Hours 6.3 ounces 0.4 hours Direct labor Variable overhead 0.4 hours Standard Price or Rate $ 2.00 per ounce Standard Cost Per Unit $12.60 $ 11.00 per hour $ 4.40 $ 6.00 per hour $ 2.40 The company reported the following results conceming 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 3,300 units 2,600 units 19,500 ounces 22,400 ounces 470 hours $ 42,000 $ 13,300 $ 3,550 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 variable overhead rate variance for June is