Pharoah Corporation sells three different models of a mosquito."zapper." Model A12 sells for $45 and has unit variable costs of $32. Model B22 sells for $90 and has unit variable costs of $63. Model C124 sells for $360 and has unit variable costs of $270. 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, eg. 15.50.) Weighted-Average Unit Contribution Margin $