The controller of Cullumber Industries has collected the following monthly expense data for use in analyzing the cost behavior of maintenance costs. Total Machine Hours 330 Month January February March April May June Total Maintenance Costs $2,760 3,060 3,660 4,560 3,260 5,560 380 530 660 530 730 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 $ Determine the fixed cost components using the high-low method. Total fixed costs $