Nova Company's total overhead cost at various levels of activity are presented below th Machine-Hours Total Overhead Cost April May June July 50,000 40,000 60,000 70,000 $203,800 $178,000 $229,600 $255,400 Assume that the total overhead cost above consists of utilities, supervisory salaries, and maintenance. The breakdown of these costs at the 40,000 machine-hour level of activity is: Utilities (variable) Supervisory salaries (fixed) Maintenance (mixed) 60,000 58,000 60,000 Total overhead cost $178,000 Nova Company's management wants to break down the maintenance cost into its variable and fixed cost elements Required: 1. Estimate how much of the $255,400 of overhead cost in July was maintenance cost. (Hint: To do this, it may be helpful to first determine how much of the $255,400 consisted of utilities and supervisory salaries. Think about the behavior of variable and fixed costs!) (Do not round intermediate calculations.) Maintenance cost in July