The following data is available for Concord Repair Shop for 2019: $280000 Repair technicians wages Fringe benefits Overhead Total 80000 60000 $420000 The desired profit margin is $38 per labor hour. The material loading charge is 40% of invoice cost. It is estimated that 5000 labor hours will be worked in 2019. In March 2019. Concord repairs a bicycle that takes two hours to repair and uses parts of $180. The bill for this repair would be O $462. O $484. O $496. $424