Hot'lanta, Inc., 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 600 machine hours to a high of 1,100 machine hours, with the following data being available for the first six months of the year. Month Utilities Machine hours Jan $8,700 800 Feb $8,360 720 Mar 58,950 810 Apr 59,360 920 May 59,625 950 June $9,150 900 The variable utilities cost per machine hour is: A 50.18. 8.54.50 C. 55.00 D. 55.50. Activate Windows