Ivanhoe Corporation sells three different models of a mosquito zapper. Model A12 sells for $ 54 and has unit variable costs of $ 38. Model B22 sells for $ 108 and has unit variable costs of $ 76. Model C124 sells for $ 432 and has unit variable costs of $ 324. 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

$ enter the weighted-average unit contribution margin in dollars rounded to 2 decimal places