Nova Company's total overhead cost at various levels of activity are presented belovw Month Machine-Hours 49,000 39,000 59,000 69,000 Total Overhead Cost ril May June July $196,840 $172,240 $221,440 $246,040 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) Supervisory salaries (fixed) Maintenance (mixed) $ 54,600 63,000 54,640 Total overhead cost $172,240 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 $246,040 of overhead cost in July was maintenance cost. (Hint: To do this, it may be helpful to first determine how much of the $246,040 consisted of utilities and supervisory salaries. Think about the behavior of variable and fixed costs!) (Do not round intermediate calculations.) Maintenance cost in July