Nove Company's total overhead cost at various levels of activity are presented below: Total Machine- Overhead Month Hours 51,000 41,0 61,0 71,000 Cost April May Jun July $184,340 $159,940 $208,740 $233,140 Assume that the total overhead cost above consists of utilities, supervisory salaries, and maintenance. The breakdown of these cos at the 41,000 machine-hour level of activity is: Utilities (variable) Supervisory salaries (fixed) Maintenance (mixed) $ 49,200 42,000 68,740 $159,940 Total overhead cost 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 $233.140 of overhead cost in July was maintenance cost. (Hint to do this, it may be helpful to first determine how much of the $233.140 consisted of utilities and supervisory salaries. 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 a bx 3. Express the company's total overhead cost in the form Y a bx 4. What total overhead cost would you expect to be incurred at an activity level of 46,000 machine-hours? Complete this question by entering your answers in the tabs below. Required 4 Required 2 Required 1 Required 3 o of 10 Next