The controller of Pharoah Industries has collected the following monthly expense data for use in analyzing the cost behavior of maintenance costs. Total Machine Hours 310 Month January February March April May June 360 Total Maintenance Costs $2,620 2,920 3,520 4,420 3,120 5.220 510 680 510 710 Determine the variable cost components using the high-low method. (Round answer to 2 decimal places eg. 2.25.) Variable cost per machine hour $ Determine the fixed cost components using the high-low method. Total fixed costs $