Markowis Corporation sells three different models of mosquito "zapper." Model A12 sells for $54 and has variable costs of $40. Model B22 sells for $102 and has variable costs of $75. Model C124 sells for $415 and has variable costs of $311. The sales mix of the three models is: A12, 55%; B22, 25%; and C124, 20%. What is the weighted-average unit contribution margin? (Round answer to 2 decimal places, e.g. 15.50.) Weighted Average Unit Contribution Margin $ ___ Markowis Corporation sells three different models of mosquito "zapper." Model A12 sells for $54 and has variable costs of $39. Model B22 sells for $103 and has variable costs of $68. Model C124 sells for $405 and has variable costs of $293. The sales mix of the three models is: A12, 60% B22, 30%; and C124, 10%. If the company has fixed costs of $181, 130, how many units of each model must the company sell in order to break even