McDonald's Corporation
 Data for the year ended December 31, 2023:

Item	Amount
Total Revenue	$250,000,000
Cost of Goods Sold	$100,000,000
Operating Expenses	$120,000,000
Income Tax Expense	$30,000,000
Net Income	$20,000,000

1. Calculate McDonald's gross profit margin.
2. Determine McDonald's operating profit margin.
3. Analyze the impact of income tax expense on McDonald's net income.
4. Discuss McDonald's revenue recognition policy for fast food sales.
5. Evaluate McDonald's profitability using the return on equity (ROE) ratio.