Ndola Corporation makes a product with the following standard costs: Direct materials Direct labor Variable overhead Standard Quantity or Hours 6.5 pounds Standard Price or Rate Standard Cost Per Unit $ 7.00 per pound $ 45.50 0.6 hours $ 24.00 per hour $ 14.40 0.6 hours $ 4.00 per hour $ 2.40 3.75 points In June the company's budgeted production was 3,400 units but the actual production was 3,500 units. The company used 22,150 pounds of the direct material and 2,290 dire labor-hours to produce this output. During the month, the company purchased 25,400 pounds of the direct material at a cost of $170,180. The actual direct labor cost was $57,021 and the actual variable overhead cost was $8,931. 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: $4,560 F $4,560 U $4,731 U $4,731 F