Tharaldson Corporation makes a product with the following standard costs: Direct materials Direct labor Variable overhead Standard Standard Quantity or Standard Price or cont per Hours Rate Unit 5.4 ounces $ 3.00 per ounce $16.20 0.5 hours $12.00 per hour $ 6.00 0.5 hours $ 9.00 per hour $ 4.50 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 cont Actual variable overhead coat 4,200 units 3,800 units 20, 400 ounces 21,500 ounces 560 hours $42.900 $14,200 $ 4,100 The comparty applies variable overhead on the basis of direct labor-hours. The direct materiais purchases variance is computed when the materials are purchased The labor efficiency variance for June The labor efficiency variance for June is: Multiple Choice $18.480 F $16,080 U $18.480 $16.0HOF