Balance sheet and income statement summary for Procter & Gamble as of June 30, 2023:

• Total Revenue: $80 billion
• Cost of Goods Sold: $50 billion
• Operating Expenses: $20 billion
• Interest Expense: $1 billion
• Net Income: $7 billion
• Total Assets: $90 billion
• Total Equity: $40 billion

Using the above figures, determine:

1. Gross Profit Margin.
2. Operating Profit Margin.
3. Net Profit Margin.
4. Return on Assets (ROA).
5. Return on Equity (ROE).