Tharaldson Corporation makes a product with the following standard costs: Standard Quantity or Hours 7.7 ounces 0.2 hours 0.2 hours Direct materials Direct labor Variable overhead Standard Standard Price or Cost Per Rate Unit $ 2.00 per ounce $15.40 $11.00 per hour $ 2.20 $ 4.00 per hour $ .80 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 3,100 units 2,500 units 22,300 ounces 23,400 ounces 450 hours $ 45,100 $ 13,100 $ 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 labor efficiency variance for June is: Multiple Choice $550 U $550 F $1,870 F $1,870 U