Current Attempt in Progress The controller of Gutierrez Industries has collected the following monthly expense data for use in analyzing the cost behaviour of maintenance costs: Month Total Maintenance Costs Total Machine Hours January $2,680 2,950 February 3,250 4,000 March 3,900 6,400 April 4,560 8,150 May 3,320 5,300 June 5,410 8,200 Determine the variable-cost component using the high-low method. (Round answer to 2 decimal places eg. 12.25) Variable cost $ per machine hour