Current Attempt in Progress The controller of Sunland Industrics has collected the following monthly expense data for use in analyzing the cost behavior of maintenance costs. (a1) Your answer is correct. Determine the variable-cost components using the high-low method. (Round answer to 2 decimal placcseg.2.25) Variable cost per machine hour s Attempts: 1 of 3 use (a2) Determine the fored cost components using the high-low method