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Variable Costs, Contribution Margin, Contribution Margin Ratio Super-Tees Company plans to sell 13,000 T-shirts at $17 each in the coming year. Product costs include: Variable selling expense is the redemption of a coupon, which-averages $0.85 per T-shirt; fixed selling and administrative expenses total $10,000. Required: 1. Calculate the following values: Round dollar amounts to the nearest cent and round ratio values to three decimal places (express the ratio as a decimal rather that 2. Prepare a contribution-margin-based income statement for Super-Tees Company for the coming year. If required, round your per unit answers 3. What if the per unit selling expense increased from $0.85 to $1.85 ? Calculate new values for the following: Round dollar amounts to the nearest cent and round ratio values to four decimal places (express the ratio as a decimal rather than a percent