Thane Company is interested in establishing the relationship between electricity costs and machine hours. Data have been collected and a regression analysis prepared using Excel. The monthly data and the regression output follow: If the controller uses the high-low method to estmate costs, the cost equation for electricity costs is: If the controller uses the high-low method to estimate costs, the cost equation for electricity costs is: Note: Round tintermediate calculations to 2 decimal places. Mutiple Choice Eectricity Costs =$2.530.90+($5.67 Machine-hours ) Eectricty Costs =$241+($6.09 Machine-hours) Electricty Costs $6.80 Machine-hours Electinaty Costs =523759