The following data is available for Wheels 'N Spokes Repair Shop for 2016 Repair technicians' wages $360,000 Fringe benefits 80,000 Overhead Total $300.000 The desired profit margin is $40 per labor hour. The material loading charge is 40% of invoice cost. It is estimated that 5.000 labor hours will be worked in 2016 Wheels 'N Spokes'labor charge per hour in 2016 would be $100 $112 $128 $140