PayPal Holdings, Inc. provided the following financial figures for the fiscal year ending December 31, 2023: Total Revenue of $25,870 million, Operating Expenses of $15,690 million, and Net Income of $7,450 million. The company's total assets were $62,890 million, and total equity was $29,560 million.

Questions:

1. Calculate PayPal's operating profit margin.
2. Compute PayPal's net profit margin.
3. Calculate the return on assets (ROA) for PayPal.
4. Compute the return on equity (ROE) for PayPal.
5. If PayPal's total liabilities were $33,330 million, what is the debt to equity ratio?