The controller of Crane 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 $2,590 330 February 2,890 380 March 3,490 530 April 4,390 660 May 3,090 530 June 4,790 730 (a1) 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 $enter the variable cost components using the high-low method rounded to 2 decimal places eTextbook and Media (a2) Determine the fixed cost components using the high-low method. Total fixed costs $enter the fixed cost components using the high-low method