Brief Exercise 19-7 NoFly Corporation sells three different models of a mosquito "zapper" Model A12 sells for $54 and has variable costs of $43. Model B22 sells for $106 and has variable costs of $76. Model C124 sells for $406 and has variable costs of $311. The sales mix of the three models is A12, 5690; B22, 2796; and C124, 17%. What is the weighted-average unit contribution margin? (Round answer to 2 decimal places, e.g. 15.50.) Weighted-Average Unit Contribution Margin Click if you would like to Show Work for this question: Open Show Work