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Carla Vista Company's standard labor cost of producing one unit of Product DD is 3.40 hours at the rate of $13.80 per hour. During August, 43,700 hours of labor are incurred at a cost of $14,00 per hour to produce 12,600 units of Product DD. (a) Compute the total labor variance. Total labor variance (b) Compute the labor price and quantity variances. Compute the labor price and quantity variances. (c) Compute the labor price and quantity variances, assuming the standard is 3.8 hours of direct labor at $14.20 per hour. Labor price variance Labor quantity variance