Walsh Corporation makes a product with the following standard costs: Standard Quantity or Standard Price or Standard Cost Hours Rate Per Unit Direct materials 6.5 ounces 13.00 $ 2.00 per ounce $ 23.00 per hour 0.2 hours $ 4.60 Direct labor Variable overhead 0.2 hours $ 6.00 per hour $ 1.20 The company reported the following results concerning this product in June. 2,700 units Originally budgeted output Actual output Raw materials used in production 2,800 units Purchases of raw materials Actual direct labor-hours Actual cost of raw materials purchases Actual direct labof cost Actual variable overhead cost 19,380 ounces 21,400 ounces 500 hours $ 40,660 $ 12,050 $ 3,100 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: Select one: O a. $1,446 F o b. $1,380 V o c. $1,446 U o d. $1,380 F