A company's total overhead costs at various levels of activity are represented below Machine overhead Month Hours Costs March 50000 174000 April 40000 150200 May 60000 197800 June 70000 221600 Assume that the overhead costs above consist of utilities, supervisory salaries, and maintenance. The breakdown of these costs at the 40,000 machine hour level activity is Utilities 40000 Supervisory salaries 52000 Maintenance 58200 Total overhead costs 150200 At 70000 machine hours, the total maintenance cost would be A 85866 B 90600 C 221600 D 58200 E 99600