Find online the annual$10-$K report for Costco Wholesale Corporation$($COST$)$ as of August $29$ comma $2021.$ 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?

c$.$ What were Costco diluted earnings per share in that$$ year? What number of shares is this EPS based$$ on$?$