Current Attempt in Progress The following data is available for Sheridan Repair Shop for 2022: The desired profit margin is $50 per labor hour. The material loading charge is 40% of invoice cost. It is estimated that 5000 labo hours will be worked in 2022. In January 2022, Sheridan repairs a bicycle that uses parts of $120. Its material loading charge on this repair would be $142. $48. $240. $72