Belle Auto Detailing reported the following results for the past week: Actual number of cars detailed 160 Actual direct labor hours used 480 Actual total direct labor cost $6,600 Budgeted number of cars to be detailed Standard direct labor cost per hour Standard direct labor per car 370 $7.50 2.5 What is Belle's direct labor rate variance? (Round intermediary calculations to two decimal places.) O A. $41,250 favorable O B. $41,250 unfavorable OC. $3,000 unfavorable O D. $3,000 favorable