Comco, Inc. has accumulated the following data for the cost of maintenance on its machinery for the last 12 four months: Machine Hours Maintenance Cost September 21,000 $26,020 October 18,500 $24,600 ints November 15,000 $22,600 01:42:47 December 19,000 $25,100 Assume that the relevant range includes all of the activity levels mentioned in this problem. Assuming Comco uses the high-low method of analysis, the variable cost per machine hour would be