Find online the annual $10-$K report for Costco Wholesale Corporation $($COST$)$ as of August $30,2020.$ 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$?$

a$.$ What were Costco revenues for that year? By what percentage did revenues grow from the prior year? $($Select the best choice below.$)$

A$.$ Revenues for that year were $$166,761$ million and they increased by $9\mathrm{.}21\%$ with respect to the prior year.

B$.$ Revenues for that year were $$141,576$ million and they increased by $5\mathrm{.}26\%$ with respect to the prior year.

C$.$ Revenues for that year were $$152,703$ million and they increased by $7\mathrm{.}86\%$ with respect to the prior year.

D$.$ Revenues for that year were $$134,497$ million and they increased by $19\mathrm{.}35\%$ with respect to 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? $($Select the best choice below.$)$

A$.$ Operating profit margin was $3\mathrm{.}16\%$ while net profit margin was $2\mathrm{.}21\%.$

B$.$ Operating profit margin was $3\mathrm{.}26\%$ while net profit margin was $2\mathrm{.}40\%.$

C$.$ Operating profit margin was $3\mathrm{.}10\%$ while net profit margin was $2\mathrm{.}40\%.$

D$.$ Operating profit margin was $3\mathrm{.}00\%$ while net profit margin was $2\mathrm{.}26\%.$

c$.$ What were Costco diluted earnings per share in that year? What number of shares is this EPS based on$?($Select the best choice below.$)$

A$.$ The diluted earnings per share were $$9\mathrm{.}02$ and were based on $443\mathrm{.}90$ million shares.

B$.$ The diluted earnings per share were $$8\mathrm{.}26$ and were based on $442\mathrm{.}92$ million shares.

C$.$ The diluted earnings per share were $$6\mathrm{.}74$ and were based on $437\mathrm{.}41$ million shares.

D$.$ The diluted earnings per share were $$7\mathrm{.}09$ and were based on $441\mathrm{.}83$ million shares.