Intel Corporation 2023 Financials:

Financial Metric	Amount
Total Revenue	$80 billion
Cost of Goods Sold	$40 billion
Operating Expenses	$30 billion
Interest Expense	$2 billion
Tax Expense	$5 billion
Total Assets	$130 billion
Total Liabilities	$60 billion

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