ogress Ivanhoe Company produces a hover board, which has standard requirements of two hours per board at a direct labor rate per hour of $19. In the last quarter, 2150 hover boards were produced using 4350 direct labor hours at rate of $20.00 per hour. The direct labor (DL) efficiency variance for last quarter was O $950 favorable. O $475 favorable. O $950 unfavorable. O $475 unfavorable