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	$	10,500				980
February		10,160				900
March		10,750				990
April		11,160				1,100
May		11,241				1,130
June		10,950				1,080

The variable utilities cost per machine hour for Barkoff is: