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\%; B22, 15\%; and C124, 25\%. What is the weighted-average unit contribution margin? (Round answer to 2 decimol ploces, es. 15.50.) Weighted-Average Unit Contribution Margin