Find online the annual 10-K report for Costco Wholesale Corporation (COST) for fiscal year 2021 (filed in October 2021). Answer the following questions from the notes to their financial statements:

a. How many stores (warehouses) did Costco open outside of the U.S. in 2021?

b. What fraction of their warehouses do they own versus lease?

c. What was Costco’s worldwide member renewal rate for 2021?

d. What fraction of Costco’s 2021 sales (by merchandise category) came from ancillary business (gas stations and pharmacies)? What fraction came from foods, including fresh foods?