NoFly Corporation sells three different models of a mosquito zapper." Model A12 sells for $53 and has variable costs of $45. Model B22 sells for $101 and has variable costs of $81. Model C124 sells for $406 and has variable costs of $315. The sales mix of the three models is A12,59%; B22, 27%; and C124,14% What is the weighted average unit contribution margin? (Round answer to 2 decimal places, s. 15.50) Weighted Average Unit Contribution Margin $