Allegiant Air 2023 Financial Overview:

Financial Metric	Amount
Total Revenue	$90 million
Cost of Services	$55 million
Operating Expenses	$20 million
Interest Expense	$3 million
Tax Expense	$5 million
Total Assets	$110 million
Total Liabilities	$70 million

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