Question 12 (2 points) Toronto 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 1,500 machine hours, with the following data being available for the first six months of the year: Month Machine Hours 8.360 720 Much 8.950 April 9.360 9.635 9 750 The variable utilities cost per machine hour is: O al $0.18 O'bl $4 50. al $5.50. Oel an amount other than those listed above