The controller of Oriole Industries has collected the following monthly expense data for use in analyzing the cost behavior of maintenance costs. Determine the variable-cost components using the high-low method. (Round answer to 2 decimal places eg. 2.25.) Variable cost per machine hour eTextbook and Media Attempts: 0 of 3 used (a2) The parts of this question must be completed in order. This part will be available when you complete the part above