Scorpio Company's activity for the first five months of 2006 are as follows:
		Machine Hours	Electrical Cost
	January	2,100	$2,400
	February	2,700	$3,300
	March	2,600	$2,900
	April	2,900	$3,200
	May	2,400	$2,600
	___ 25.	Using the high-low method, how much is the cost per machine hour?