Your answer is incorrect. Cullumber Corporation sells three different models of a mosquito "zapper. Model A12 sells for $42 and has unit variable costs of $29. Model B22 sells for $84 and has unit variable costs of $59. Model C124 sells for $336 and has unit variable costs of $252. The sales mix(as a percentage of total units) of the three models is A12, 60 % ; B22, 15 %; and C124,25%. What is the weighted-average unit contribution margin? (Round answer to 2 decimal places, e.g. 15.50.) Weighted-Average Unit Contribution Margin $