When auto manufacturer BMW purchased the Rolls-Royce brand name, BMW had to hire and train a new staff of assembly workers. The new workers were paid $30.00 per hour, worked a total of 7,900 hours, and produced 2,400 cars. BMW budgeted for a standard labor rate of $33.00 per hour and 2.5 direct labor hours per car. What is the direct labor rate variance for the Rolls-Royce division? O A. $7,200 favorable O B. $23,700 unfavorable O C. $7,200 unfavorable O D. $23,700 favorable