Brief Exercise 19-7 NoFly Corporation sells three ofifferent models of a mosquito "zapper." Model A12 sells for $54 and has variable costs of $43, Model B22 sells for $106 and has variable costs of $76, Model C124 sells for $406 and has variable costs of $311. The sales mix of the three models Is A12, 56%; 822, 27%; and C124. 175%. What is the weighted-average unit contribution margin? (Round answer to 2 decimal places, e.g. 15.50.) in Welghted-Average Unit Contribution Margin Brief Exercise 19-11 In Marshall Company, data concerning two products are unit contribution margin-Product A $14. Product B $18; machine hours required for one unit-Product A 4, Product B 4. Compute the contribution margin per unit of limited resource for each product. ( Round answers to 2 decimal places, e-g. 0.15.) Product A Product B Contribution margin per unit of limited resource