Southwest Airlines 2023 Financials:

Financial Metric	Amount
Total Revenue	$60 million
Cost of Services	$35 million
Operating Expenses	$15 million
Interest Expense	$2 million
Tax Expense	$3 million
Total Assets	$90 million
Total Liabilities	$40 million

1. Calculate the gross profit margin.
2. Determine the operating profit margin.
3. Compute the interest coverage ratio.
4. Determine the return on assets (ROA).