The controller of Wildhorse Industries has collected the following monthly expense data for use in analyzing the cost behavior of maintenance costs. Total Maintenance Costs Total Machine Hours Month January $2,560 330 February 2,860 380 March 3,460 530 April 4,360 660 May 3,060 530 June 4,960 730 Determine the variable cost components using the high-low method. (Round answer to 2 decimal places e.g. 2.25.) Variable cost per machine hour $ Determine the variable cost components using the high-low method. (Round answer to 2 decimal places e.g. 2.25.) Variable cost per machine hour $