Bonnot Corporation makes a product that has the following direct labor standards: Standard direct-labor hours- 0.2 hours per unit Standard direct labor rate- $21.00 per hour Standard cost- $4.20 per unit The company budgeted for production of 2,100 units in October, but actual production was 1,900 units. The company used 410 direct labor-hours to produce this output. The actual direct labor rate was $20.60 per hour. The labor efficiency variance for October is: 1. 618U 2. 630F 3. 618F 4. 630U