The following data are available for Crane Repair Shop for 2022: Repair technician's wages Fringe benefits Overhead Total $117000 63000 90000 $270000 The desired profit margin is $13 per labour hour. The material loading charge is 40% of invoice cost. It is estimated that 4500 labour hours will be worked in 2022. Crane labour charge in 2022 would be O $53. O $40. O $73. $60.