Current Attempt in Progress Swifty Industries sells three different sets of sportswear, Sleek sells for $62 and has unit variable costs of $46: Smooth sells for $82 and has unit variable costs of $52: Potent sells for $92 and has unit variable costs of $72. The sales mix of the three sets is Sleek, 50% Smooth, 30%; and Potent, 20%. What is the weighted-average unit contribution margin? Weighted-average unit contribution margin $