Find online the annual 10K report for Costco Wholesale Corporation (COST) as of September 1, 2019. Answer the following questions from the income statement: a. What were Costco revenues for that year? By what percentage did revenues grow from the prior year? b. What were Costco operating and net profit margins in that year? How do they compare with its margins in the prior year? c. What were Costco diluted earnings per share in that year? What number of shares is this EPS based on? a. What were Costco revenues for that year? By what percentage did revenues grow from the prior year? (Select the best choice below.)