Walmart Inc. has the following data for its U.S. operations for the year ended January 31, 2024:

Income Statement

• Sales revenue: $400,000,000
• Cost of goods sold: $300,000,000
• Gross margin: $100,000,000
• Operating expenses:
  • Selling expenses: $20,000,000
  • Administrative expenses: $15,000,000
• Operating income: $65,000,000
• Nonoperating items:
  • Interest expense: $5,000,000
  • Gain on sale of investments: $2,000,000
• Net income: $62,000,000

Balance Sheet

• Assets:
  • Cash: $15,000,000
  • Accounts receivable: $10,000,000
  • Inventory: $50,000,000
  • Property, plant, and equipment: $100,000,000
• Total assets: $175,000,000
• Liabilities:
  • Accounts payable: $10,000,000
  • Short-term loans: $15,000,000
  • Long-term debt: $50,000,000
• Stockholders' equity: $100,000,000
• Total liabilities and stockholders' equity: $175,000,000

Requirements:

1. Calculate the gross profit margin.
2. Determine the operating profit margin.
3. Compute the return on assets (ROA).
4. Calculate the debt-to-equity ratio.
5. Find the quick ratio.