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8. (20 points) The following information applies to Cupcake Corporation, a wholesaler of boxes of cupcakes. Each box of cupcakes is a unit $48 Selling price per unit Variable cost per unit Fixed expenses $20 $40,000 Required a. If the company sells 20,000 boxes of cupcakes, what would be the company's contribution margin? b. If the company sells 20,000 boxes of cupcakes what would be the company's contribution margin ratio? C. If the company sells 20,000 boxes of cupcakes, what would be the company's degree of operating leverage ? d. Using the degree of operating leverage in part c, estimate the impact of an 8% increase in unit sales. Show your work. e. How many boxes of cupcakes would the company need to sell in order to achieve a target profit of $125,000