The controller of Blossom 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 $2,643 3,500 February 3,003 4,004 March 3.604 6,006 April 4.505 7.908 May 3.203 5.005 June 4.668 8,000 (a1) Determine the variable-cost components using the high-low method. (Round answer to 2 decimal places eg 2.25) Variable cost per machine hour S