Lewis Company's standard labor cost of producing one unit of Product DD is 3.7 hours at the rate of $12.9 per hour. During August, 40,600 hours of labor are incurred at a cost of $13.00 per hour produce 10,800 units of Product DD. Compute the total labor variance Total labor variance s Compute the labor price and quantity variances. Labor price variance Labor quantity variance Compute the labor price and quantity variances, assuming the standard is 4.1 hours of direct labor at $13.20 per hour. Labor price variance Labor quantity variance