*Could you help me complete the vertical analysis for each year, and could you include the formulas so I understand the calculations?

Walmart Inc. Consolidated Statements of Income As of January 31, 2021, January 31, 2020, January 31, 2019 (In Millions, Except per Share Amounts) Fiscal Years End January 31 January 31, 2021 January 31, 2020 January 31, 2019 Revenues: Net Sales $ 555,233 $ 519,926 $ 510,329 Membership and Other Income 3,918 4,038 4,076 Total Revenues 559,151 523,964 514,405 Costs and Expenses: Cost of Sales 420,315 394,605 385,301 Operating, Selling, General and Administrative Expenses 116,288 108,791 107,147 Operating Income 22,548 20,568 221,957 Interest: Debt 1,976 2,262 1,975 Finance, Capital Lease and Financing Obligations 339 337 371 Interest Income (121) (189) (217) Interest, Net 2,194 2,410 2,129 Other (Gain) and Losses (210) (1,958) 8,368 Income Before Income Taxes 20,564 20,116 11,460 Provisions for Income Taxes 6,858 4,915 4,281 Consolidated Net Income 13,510 15,201 7,179 Consolidated Net Income Attributable to Noncontrolling Interest (196) (320) (509) Consolidated Net Income Attributable to Walmart 13,510 14,881 6,670 Net Income Per Common Share: Basic Net Income Per Common Share Attributable to Walmart Diluted Net Income Per Common Share Attributable to Walmart S 4.77 $ 4.75 5.22 $ 5.19 2.28 2.26 Weighted-Average Common Shares Outstanding: Basic Diluted 2,850 2,831 2,847 2,929 2,945 2,868 Dividends Declared Per Common Share S 2.16 $ 2.12 $ 2.08