(TCO 3) The Wild Cat 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 equation