Wilddog Industries has collected the following monthly cost data for use in analyzing the behavior of maintenance costs. Month January February March April May Total Maintenance Total Machine Costs Hours 2,600 310 2,900 360 4,400 680 3,100 510 5,080 710 1) Determine the unit variable costs using the high-low method for this mixed cost. Variable cost per machine hour 2) Determine the fixed costs using the high-low method for this mixed cost. Total fixed costs 3) Write an equation to represent the behavior of the mixed costs above.