Ivanhoe 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 $14,120 March 8,500 $14,948 February 7,500 13,498 April 8,195 14,485 (a1) Compute the variable cost per mile using the high-low method. (Round answer to 2 decimal places, e.g. 2.25.) Variable cost per mile $ eTextbook and Media (a2) Compute the fixed cost elements using the high-low method. Fixed costs $