Exercise 5-3 al-a2 (Video) (Part Level Submission) The controller of Crane Industries has collected the following monthly expense data for use in analyzing the cost behavior of maintenance costs. Month January February March April Total Total Maintenance Costs Machine Hours $2,880 330 3,180 380 3,780 530 4,680 660 3,380 530 5,520 730 May June (al) Your answer is correct. 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 6.60 (a2) Determine the fixed cost components using the high-low method. Total fixed costs $