Oriole Company accumulates the following data concerning a mixed cost, using miles as the activity level. Miles Driven Total Cost Miles Driven Total Cost January 7,990 $14,170 March 8,510 $14,721 February 7,495 13,503 April 8,200 14,485 Compute the variable cost per mile using the high-low method. (Round answer to 2 decimal places, e.g. 2.25.)