A condensed income statement by product line for Warrick Beverage Inc. indicated the following for Mango Cola for the past year: It is estimated that 12% of the cost of goods sold represents fixed factory overhead costs and that 21% of the operating expenses are fixed. Because Mango Cola is only one of many products, the fixe costs will not be materially affected if the product is discontinued. a. Prepare a differential analysis dated February 29 to determine whether Mango Cola should be continued (Alternative 1) or discontinued (Alternative 2). If an amount is zero, enter "0". If required, use a minus sign to indicate a loss. Differential Analysis b. Should Mango Cola be retained