Variable Costs Contribution Margin, Contribution Margin Ratio Super-Tees Company plans to sell 18.000 T-shirts at $18 each in the coming year. Product costs include: Direct materials per T-shirt $6.30 Direct labor per T-shirt 51.26 Variable overhead per T-shirt $0.54 Total fixed factory overhead $36,000 Variable selling expense is the redemption of a coupon, which averages $0.90 per T-shirt:fixed selling and administrative expenses total $19.000 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 dedmal rather than a percentage). 3. Variable product cost per unit 6. Total variable cost per unit Contribution margin per unit S de Contribution margin ratio Total fixed expense for the year 2. Prepare a contribution-margin-based income statement for Super Tees Company for the coming wear. If required, round your per unit antwers to the nearestent Super-Tees Company Contribution Margin-Based Operating Income Statement For the Coming Year Total Per Unit Sales Total variable expense Total contribution margin Total fixed expense Operating income - 3. What if the per unit selling expense increased from $0.90 to $1.957 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 percentage): a. Variable product cost per unit b. Total variable cost per unit DIMINE c. Contribution margin per unit d. Contribution margin ratio e. Total fixed expense for the year