Barkoff 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 600 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 $ 9,100 840 February 8,760 760 March 9,350 850 April 9,760 960 May 10,117 990 June 9,550 940 The fixed utilities cost per month for Barkoff is: Multiple Choice $3,640. $4,276. $4,636. $4,976. None of the answers is correct