Kenneth is working on the budget for his summer window-washing business, trying to figure out what his total costs are going to be for the season. He has monthly data from last summer, so he decided to start with that. Using the observations below, use the high-low method to estimate a total monthly cost function for Kenneth's business. Month Number of Labor Hours Spent 1 65 90 70 2 3 (Round answers to 2 decimal places, e.g. 15.25.) Y = $ 3r-s X+ $ Total Cost $184 $244 $180