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Crane Corporation sells three different models of a mosquito "zapper." Model A12 sells for $52 and has unit variable costs of $36, Model B22 sells for $104 and has unit variable costs of $73. Model C124 sells for $416 and has unit variable costs of $312. 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.3. 15.50.) Weighted-Average Unit Contribution Margin