Brief Exercise 6-7 NoFly Corporation sells three different models of a mosquito apper Model A12 self for 559 and has variable costs of $35. Model 22 sells for $103 and has variable costs of $74. Model C124 sells for $412 and has variable costs of $300. The sales me of the three models is A12, 55%; 822. 30%; and C124, 15%. What is the weighted average unit contribution margin? (Round answer to 2 decimal places, .9. 15.50.) Weighted Average Unit Contribution Margin