Ericson Enterprises, which uses the high-low method to analyze cost behavior, has determined that machine hours best explain the company's utilities cost. The company's relevant range of activity varies from a low of 8oo machine hours to a high of 1,200 machine hours, with the following data being available for the first six months of the year: Month Utilities Machine Hours January $8,700 830 February 8,360 810 March 8,950 850 April 9,360 920 May 9.625 1.100 June 9.150 890 Using the high-low method, find the variable utilities cost per machine hour for Ericson (5 points) Using the high-low method, find the fixed utilities cost per month for Ericson. (5 points) Using the high-low method, find the utilities cost for Ericson associated with 1150 machine hours. (5 points)