Nova Company's total overhead cost at various levels of activity are presented below: Month April Machine- Hours 47,000 37,000 57,000 67,000 Total Overhead Cost $ 197,610 $ 173,310 $ 221,910 $ 246,210 May June July Assume that the total overhead cost above consists of utilities, supervisory salaries, and maintenance. The breakdown of these costs at the 37,000 machine-hour level of activity is: Utilities (variable) Supervisory salaries (fixed) Maintenance (mixed) Total overhead cost $ 44,400 65,000 63,910 $173,310 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 $246,210 of overhead cost in July was maintenance cost. (Hint: to do this, it may be helpful to first Hataminahamiah fthanne 19 anoninted af.tilities and around. Olsun Thanhatthal-Rinhl. And Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required 3 Required 4 Express the company's total overhead cost in the form Y = a + bx. (Do not round your intermediate calculations. Round the "Variable cost per unit" to 2 decimal places.) Variable Cost per Machine Hour Fixed Cost Utilities cost Supervisory salaries cost Maintenance cost Total overhead cost Y = X