Perform a vertical analysis of the income statement for Walmart Inc. for the year ending January 31, 2024. Use the following data:

• Net Sales: $500,000,000
• Cost of Goods Sold: $300,000,000
• Operating Expenses: $120,000,000
• Net Income: $80,000,000

Express each line item as a percentage of net sales and interpret the results in terms of profitability and cost structure.