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Som An accountant calculated the cost variances for March based on the following information. If 18,000 units were produced and sold in March, what is the company's direct labor efficiency variance? Direct labor standard rate Direct labor quantity standard $ 18.50 per DLHO 2 hours per unit Actual direct labor cost Actual number of direct labor hours $ 647,820 35,990 DLHO Multiple Choice $180 favorable $ 175 unfavorable $185 favorable aw