correct answer please. i only have one attempt left.

Crane Corporation sells three different models of a mosquito zapper: Model A12 sells for $41 and has unit variable costs of \$29. Model 822 sells for $82 and has unit variable costs of $57. Model C124 sells for $328 and has unit variable costs of $246. The sales mbias a percentage of total units) of the three models is A12,60\%;B22, 15\%;and C124,256 What is the weighted-average unit contribution margin? (Round answer to 2 decimal places, e.g. 15.50. ) Weighted-Average Unit Contribution Margin