Tharaldson Corporation makes a product with the following standard costs Standard Quantity or Standard Cost Per Unit Direct materials Direct Labor Variable overhead 5.8 ounces e.5 hours 0.5 hours Standard Price on Rate 3.00 per ounce 12.00 per hour $ 5.00 per hour $17.40 9.00 $2.50 The company reported the following results concerning this product in June Originally budgeted output Actual output Raw materials used in production Purchases of w aterials Actual direct labor-hours Actual cost of raw materials purchases Actual direct labor cost Actual variable overhead cost 3,000 units 3,400 units 20,00 ounces 21, Ounces Sze hours $ 42,50e $ 13,500 $ 3,900 The company applies vanable overhead on the basis of director hours. The direct materials purchases variance is computed when the materials are purchased The variable overhead efficiency variance for June is