Sheridan Corporation sells three different models of a mosquito "zapper." Model A12 sells for $46 and has unit variable costs of $32. Model B22 sells for $92 and has unit variable costs of $64. Model C124 sells for $368 and has unit variable costs of $276. 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