Pharoah Company accumulates the following data concerning a mixed cost, using miles as the activity level. Miles Total Miles Total Driven Cost Driven Cost January 7,990 $14,155 March 8,490 $14,589 February 7,500 13,500 April 8,205 14,495 (a1) Compute the unit variable costs using the high-low method for this mixed cost. (Round answer to 2 decimal places, e.g. 2.25.) Variable cost per mile $Compute the fixed cost elements using the high-low method. Fixed costs