Question: Calculating Residual Operating Income: Dell, Inc. {Medium) Dell, Inc., reported after-tax operating income of $2,6 18 million for fiscal year 2008, along with operating assets at the beginning of the year of$13,230 million and operating liabilities of $20,439 million. Using a cost of capital for operations of 12 percent, calculate Dell residual operating income for the year. Describe, in words, how Dell generated value during the year.