Variable Costs, Contribution Margin, Contribution Margin Ratio Super-Tees Company plans to sell 18,000 T-shirts at $24 each in the coming year, Product costs include: Direct materials per T-shirt $8.40 Direct labor per T-shirt $1.68 Variable overhead per T-shirt Total fixed factory overhead $35,000 Variable selling expense is the redemption of a coupon, which averages $1.20 per T-shirt: fixed selling and administrative expenses total $17,000 $0.72 Required: 1. Calculate the following values: