Oriole Company accumulates the following data concerning a mixed cost, using units produced as the activity level. Units Produced Total Cost March 9,970 $18,470 April 9,020 17,024 May 10,500 19,119 June 8,810 16,584 July 9,490 17,494 (a1) * Your answer is incorrect. Compute the unit variable costs using the high-low method. (Round answer to 2 decimal places e.g. 2.25.) Unit variable costs $ 1.75