Nova Company's total overhead cost at various levels of activity are presented below: Month Machine-Hours Total Overhead Cost April May June July 54,000 44,000 64.000 74,000 $203,340 $178,240 $228,440 $253,540 Assume that the total overhead cost above consists of utilities, supervisory salaries, and maintenance The breakdown of these costs at the 44,000 machine-hour level of activity is Utilities (variable) Supervisory salaries (fixed) Maintenance (mixed) $ 57,200 50,000 71,040 Total overhead cost $178,240 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 $253,540 of overhead cost in July was maintenance cost. (Hint: To do this, it may be helpful to first determine how much of the $253,540 consisted of utilities and supervisory salaries. Think about the behavior of variable and fixed costs!) (Do not round intermediate calculations.) aintenance cost in J