Wildhorse Corporation sells three different models of a mosquito "zapper." Model A12 sells for $61 and has unit variable costs of $43. Model B22 sells for $122 and has unit variable costs of $85. Model C124 sells for $488 and has unit variable costs of $366. The sales mix(as a percentage of total units) of the three models is A12, 60%; 822, 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 $