Exercise 18-3 The controller of Norton Industries has collected the following monthly expense data for use in analyzing the cost behavior of maintenance costs. Month Total Total Maintenance Costs Machine Hours January 330 380 February March 530 $2,550 2,850 3,450 4,350 3,050 5,510 April May June 660 530 730 Determine the variable cost components using the high-low method. (Round variable cost to 3 decimal places e.g. 12.250.) Variable cost per machine hours LINK TO TEXT LINK TO TEXT Determine the fixed cost components using the high-low method. (Round answer to 0 decimal places e.g. 2,520.) Total fixed costs $