Hurren Corporation makes a product with the following standard costs: Inputs Standard Quantity or Hours Standard Price or Rate Standard Cost Per Unit Direct materials 4.5 grams $5.00 per gram $22.50 Direct labor 0.8 hours $10.00 per hour $8.00 Variable overhead 0.8 hours $5.00 per hour $4.00 The company reported the following results concerning this product in June. Originally budgeted output 6,700 units Actual output 6,600 units Raw materials used in production 28,390 grams Actual direct labor-hours 4,900 hours Purchases of raw materials 31,900 grams Actual price of raw materials purchased $5.10 per gram Actual direct labor rate $10.90 per hour Actual variable overhead rate $4.70 per hour The company applies variable overhead on the basis of direct . The labor efficiency variance is?