Indigo Industries sells three different sets of sportswear. Sleek sells for $60 and has unit variable costs of $48;5 mooth sells for $80 and has unit variable costs of $60; Potent sells for $90 and has unit variable costs of $70. The sales mix of the three sets is: Sieek, 50% : Smooth, 30\%; and Potent, 20\%, What is the weighted-average unit contribution margin? Weighted-average unit contribution margin