Carla Vista Company accumulates the following data concerning a mixed cost, using miles as the activity level. (a1) Your answer is correct. Compute the unit variable costs using the high-low method for this mixed cost. (Round answer to 2 declmal places, eg. 225.) Variable cost per mile eTextbookand Media Attempts: 1 of 10 use (a2) Compute the foxed costs using the high low method for this mixed cost