Crosshill Company's total overhead costs at various levels of activity are presented below: Month April May June July Total Machine-Hours Overhead Cost 53,000 $215,390 43,000 $191,090 63,000 $239,690 73, eee $263,990 Assume that the overhead cost above consists of utilities, supervisory salaries, and maintenance. The breakdown of these costs at the 43,000-machine-hour level of activity in May is as follows: Utilities (variable) Supervisory salaries (fixed) Maintenance (mixed) Total overhead cost 55,900 68,000 67,190 191, e9e The company wants to break down the maintenance cost into its variable and fixed cost elements Prey 1 of 3 Neyt The company wants to break down the maintenance cost into its variable and fixed cost elements. Required: 1. Estimate how much of the $263,990 of overhead cost in July was maintenance cost. (Hint To do this, first determine how much of the $263,990 consisted of utilities and supervisory salaries. Think about the behaviour of variable and fixed costs within the relevant range.) (Do not round intermediate calculations.) Maintenance cost in July 2. Using the high-low method, estimate a cost formula for maintenance (Do not round your intermediate calculations. Round the "Variable cost per unit" to 2 decimal places.) Machine- Hours Maintenance Cost High activity level