The controller of Wildhorse industries has collected the following monthly cost data for use in analyzing the behavior of maintenance costs. (a1) Determine the unit variable costs using the high-low method for this mixed cost. (Round answer fo 2 decimal ploces es: 2.25.) Viriable cost per machine hour eTextbook and Media Attempts: 0 of 10 used (a2) The parts of this question must be completed in order. This part will be available when you cornqiete the part above