Variable Cost Variances The standard direct labor cost per unit for a company was $21 (= $14 per hour times 1.5 hours per unit). During the period, actual direct labor costs amounted to SI 36.500, 9.600 labor-hours were worked, and 5.600 units were produced. Required Compute the direct labor price and efficiency variances for the period. (Refer to Exhibit 16.9 for the format to use.)