Cullumber Company's standard labor cost of producing one unit of Product DD is 3.80 hours at the rate of $10.90 per hour. During August, 41.500 hours of labor are incurred at a cost of $11.05 per hour to produce 10,800 units of Product DD. (a) Compute the total labor variance. Total labor variance (b) Compute the labor price and quantity variances. Labor price variance $ Labor quantity variance (c) Compute the labor price and quantity variances, assuming the standard is 4.1 hours of direct labor at $11.20 per hour. Labor price variance $ Labor quantity variance $