Current Attempt in Progress Carla Vista Company accuinulates the following data concerning a mixed cost, using miles as the activity level. (a1) Compute the unit variable costs using the high-low method for this mixed cost. (Round enswer to 2 declmal places, eg. 2.25) Variable cost per mile eTextbook and Media Attempts: 0 of 10 used (a2) The parts of this auestion must be completed in order. This part will be iwalable when youcomplete the part above