Exxon Mobil Corporation Financial Data for 2023:

• Total Revenue: $320 billion
• Cost of Goods Sold: $200 billion
• Operating Expenses: $70 billion
• Interest Expense: $7 billion
• Tax Expense: $15 billion
• Total Assets: $400 billion
• Total Liabilities: $180 billion

1. Calculate the gross profit margin.
2. Determine the net profit margin.
3. Compute the times interest earned (TIE) ratio.
4. Calculate the equity multiplier.