Nova Company's total overhead cost at various levels of activity are presented below. Month April May June July Machine Hours 70,eee 60,000 Be.ee 90,00 Total Overhead Cost $ 199,000 5174,000 $ 222,000 $ 245,000 Assume that the total overhead cost above consists of utilities, supervisory salaries, and maintenance. The breakdown of these costs at the 60.000 machine hour level of activity is: Utilities (variable Supervisory Salaries (fixed) Maintenance (mixed) Total overhead cost $145.000 21.00 105, 5174,000 Nova Company's management wants to break down the maintenance cost into its variable and fixed cost elements Required 1 Estimato how much of the $246,000 of overhead cost in July was maintenance cost. (Hvit to do this, it may be helpful to first determine how i ich of the $246,000 consisted of utilities and supervisory catarios Think about the behavior of variable and fixed costs.) 2 Using the high-low method estimate a cost formula for maintenance in the form Y = -bX 3. Express the company's fotatoverhead cost in the form Y = -X 4 What total overhead cost would you expect to be incurred at an activity level of 75.000 machine-hours? Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required 3 Required 4 Estimate how much of the $246,000 of overhead cost in July was maintenance cost. (Hint: to do this, it may be helpful to first determine how much of the $246,000 consisted of utilities and supervisory salaries. Think about the behavior of variable and fixed costs.) (Do not round your intermediate calculations.) Maintenance cost in July Required 2 > Complete this question by entering your answers in the tabs below. Required i Required 2 Required 3 Required 4 Using the high-low method, estimate a cost formula for maintenance in the form Y = a + bx (Do not ro calculations. Round the Variable cost per unit" to 2 decimal places.) Required 1 Required 2 RequFed 3 Required 4 Express the company's total overhead cost in the form Y = a + bx. (Do not round yo "Variable cost per unit" to 2 decimal places.) Fixed Cost Variable Cost per Machine- Hour Utilities cost Supervisory salaries cost Maintenance cost Total overhead cost Y = X nplete this question by entering your answers in the tabs below. Required 1 Required 2 Required 3 Required 4 What total overhead cost would you expect to be incurred at an activity level of 75,000 machine-hours? ( intermediate calculations.) Total overhead cost