NoFly Corporation sells three different models of a mosquito zapper"Model A12 sells for $55 and has variable costs of $36. Model B22 sells for $102 and has variable costs of $75. Model C124 sells for $412 and has variable costs of $321. The sales mix of the three models is A12,58%;B22, 26%; and C124, 16% What is the weighted average unit contribution margin? (Round answer to 2 decimal places, eg, 15.50.) Weighted Average Unit Contribution Margin $