View Policies Current Attempt in Progress The following data is available for Waterway Repair Shop for 2022: 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 2022. In March 2022, Waterway repairs a bicycle that takes two hours to repair and uses parts of $320. The bill for this repair would be $654,00. $696.40. $616.00. $744.00