Markowis Corporation sells three different models of mosquito zapper. Model A12 sells for $54 and has variable costs of $40. Model B22 sells for $107 and has variable costs of $80. Model C124 sells for $407 and has variable costs of $310. The sales mix of the three models is: A12, 55%; B22, 30%; and C124, 15%.
What is the weighted-average unit contribution margin? (Round answer to 2 decimal places, e.g. 15.50.)