McDonald's Corporation has the following financial data for the fiscal year ending December 31, 2023:

• Total assets: $350,000,000
• Total liabilities: $210,000,000
• Total equity: $140,000,000
• Net income: $28,000,000
• Sales revenue: $280,000,000
• Cost of goods sold: $140,000,000
• Operating expenses: $84,000,000
• Interest expense: $14,000,000
• Income tax expense: $14,000,000

Calculate the following ratios for McDonald's Corporation for the fiscal year ending December 31, 2023:

1. Quick ratio
2. Debt-to-equity ratio
3. Return on sales (ROS)
4. Return on investment (ROI)