Wildhorse Company accumulates the following data concerning a mixed cost, using units produced as the activity level. Units Produced Total Cost March 10,070 $18,010 April 9,250 16,960 May 10,600 18,375 June 9,100 16,500 July 9,820 17,430 (a1) Your answer is incorrect. Compute the variable cost per unit using the high-low method. (Round answer to 2 decimal places e.g. 2.25) Variable cost per unit