The controller of Pharoah Industries has collected the following monthly expense data for use in analyzing the cost behaviour of maintenance costs. Month Total Maintenance Costs Total Machine Hours January $3,190 260 February 3,890 310 Marchi 5,090 460 April 6.750 650 May 4.290 360 June 7.190 660 (a1) Determine the variable cost component using the high-low method. (Round answers to 2 decimal places, e.g. 2.25) ( Variable cost per machine hour $ Save for Later Attempts: 0 of 1 used Submit Answer (a2) The parts of this question must be completed in order. This part will be available when you complete the part above