17. (8 points) Tesmer Manufacturing is working to estimate Utilities Expense and has identified Kilowatt hours as a cost driver of utilities consumed. The following data were collected: a. Using the high-low method to analyze mixed costs and the data above, provide the cost equation that can be used to estimate Utilities Expense. Varicible cost per anit= (highest level oet, cost-lewest act, cost)/ (502,100420,240)((52,00041,200)= (hinheat octivity- lowest activ) b. Estimate Utilities Expense if the company uses 50,000 kilowatt-hours of power. c. What is an advantage of the High-Low method? d. What is a disadvantage of the High-Low method