17. Alibaba Group, an e-commerce giant, presents the following data:

• Total Sales: $4,200,000,000
• Cost of Goods Sold: $2,200,000,000
• Operating Expenses: $1,500,000,000
• Interest Expense: $150,000,000
• Tax Rate: 28%
• Total Assets: $3,800,000,000
• Total Liabilities: $2,600,000,000
• Shareholders' Equity: $1,200,000,000

Requirements:

1. Prepare an Income Statement for Alibaba.
2. Calculate the Gross Margin and Operating Margin.
3. Determine the Return on Assets (ROA) and Return on Equity (ROE).
4. Calculate the Debt-to-Equity Ratio and Interest Coverage Ratio.