Assume that the total overhead cost above consists of utilities, supervisory salaries, and maintenance. The breakdown of these costs at the 39,000...

Assume that the total overhead cost above consists of utilities, supervisory salaries, and maintenance. The breakdown of these costs at the 39,000 machine-hour level of activity is:Utilities (variable)$46,800Supervisory salaries (fixed)70,000Maintenance (mixed)60,470Total overhead cost$177,270