The Wildcat Company has provided the following information: Units of Output 30,000 Units 42,000 Units Direct materials $180,000 $252,000 Workers' wages 1,080,000 1,512,000 Supervisors' salaries 312,000 312,000 Equipment depreciation 151,200 151,200 Maintenance 81,600 110,400 Utilities 384,000 528,000 Total $2,188,800 $2,865,600 Using the high-low method and the information provided above, identify the linear cost function equatio