Time left 0:52:53 Irbid, Inc., which uses the high-low method to analyze cost behavior, has determined that ma 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 cost Machine Hours January $8700 800 February 8443 817 March 18950 810 April 9360 920 9696 10 June 9150 900 Estimated total 54000 6400 Estimated average 9000 900 The variable utilities cost per machine hour is 133