The controller of Carla Vista Industries has collected the following monthly expense data for use in analyzing the cost behavior of maintenance costs. Total Total Month Maintenance Costs Machine Hours January $2,630 350 February 2,930 400 March 3.530 550 April 4.430 640 May 3.130 550 June 5,230 750 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 $ GA Determine the fixed cost components using the high-low method. Total fixed costs $