Wildhorse Company sells three different models of a mosquito zapper. Model A12 sells for $63 and has unit variable costs of $44. Model B22 sells for $126 and has unit variable costs of $88. Model C124 sells for $504 and has unit variable costs of $378. The sales mix(as a percentage of total units) of the three models is A12, 60%; B22, 15%; and C124, 25%.

What is the weighted-average unit contribution margin? (Round answer to 2 decimal places, e.g. 15.50.)