It is estimated that 15% of the cost of goods sold represents fixed factory overhead costs and that 21% of the operating expenses are fixed. Because Vim Cola is only one of many products, the fixed costs will not be materially affected if the product is discontinued. a. Prepare a differential analysis dated November 2 to determine whether Vim 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. b. Should Vim Cola be retained