Utilities (variable) $ 48, 000 Supervisory salaries (fixed) 21, 000 Maintenance (mixed) 105, 000 Total overhead cost $ 174, 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 $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 eBook costs.) 2. Using the high-low method, estimate a cost formula for maintenance in the form Y = a + bX. 3. Express the company's total overhead cost in the form Y - a + bX. Print 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. References Required 1 Required 2 Requiredt 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- Fixed Cost Hour Utilities cost Supervisory salaries cost Maintenance cost Total overhead cost $ 0.00 $ Y = + Prev 1 of 1 Next >