The controller of Sunland Industries has collected the following monthly expense data for use in analyzing the cost behavior of maintenance costs.

Month		Total Maintenance Costs			Total Machine Hours
January		$3,123			4,140
February		3,549			4,732
March		4,259			7,098
April		5,055			9,346
May		3,786			5,915
June		5,251			9,460

QUESTION: Determine the variable-cost components using the high-low method. (Round answer to 2 decimal places e.g. 2.25.)