ABC Company's total overhead costs at various levels of activity are presented below: Assume that the overhead costs above consist of utilities, supervisory salaries, and maintenance. At the 50.0C0 machine-hour level of activity these costs are: V= Variable. F= Fixed. M= Mixed. The company wants to break down the maintenance cost into its basic variable and fixed cost elements. Estimate the maintenance cost for June. Use the high-low method to estimate the cost formula for maintenance cost. Estimate the total overhead cost at an activity level of 55.000 machine hours