The controller of Norton Industries has collected the following monthly expense data for use in analyzing the cost behavior of maintenance costs. Month January February March April May June Total Maintenance Costs $2,700 3,000 3,600 4,500 3,200 5,500 Total Machine Hours 300 350 500 690 400 700 (21) 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 e Textbook and Media (a2) Determine the fixed cost components using the high-low method. Total fixed costs $ e Textbook and Media