NoFly Corporation sells three different models of a mosquito "zapper" Model A12 sells for $52 and has variable costs of $37. Model B22 sells for $104 and has variable costs of $80. Model C124 sells for $419 and has variable costs of $310. The sales mix of the three models is A12,59%; B22, 29% ; and C124, 12%. What is the weighted-average unit contribution margin? (Round answer to 2 decimal places, eg 15.50) Weighted Average Unit Contribution Margin