When auto manufacturer BMW purchased the RollsminusRoyce brand​ name, BMW had to hire and train a new staff of assembly workers. The new workers were paid $ 23.00 per​ hour, worked a total of 7 comma 000 ​hours, and produced 1 comma 600 cars. BMW budgeted for a standard labor rate of $ 28.00 per hour and 3.25 direct labor hours per car. What is the direct labor efficiency variance for the RollsminusRoyce ​division? A. $ 50 comma 400 favorable B. $ 50 comma 400 unfavorable C. $ 41 comma 400 unfavorable D. $ 41 comma 400 favorable Click to select your answer.