Using the following financial data of PepsiCo Inc. for the years 2019, 2020, and 2021, answer the questions below:

	2019	2020	2021
Revenue	$67,161	$70,372	$79,474
Cost of Revenue	$30,240	$32,384	$37,702
Gross Profit	$36,921	$37,988	$41,772
Operating Expenses	$27,728	$28,947	$32,168
Operating Income	$9,193	$9,041	$9,604
Net Income	$7,314	$7,353	$7,618

	2019	2020	2021
Total Assets	$78,547	$92,918	$92,377
Total Liabilities	$58,887	$73,123	$69,163
Shareholders' Equity	$19,660	$19,795	$23,214

Requirements:

1. Calculate the gross profit margin for each year.
2. Determine the operating profit margin for each year.
3. Calculate the net profit margin for each year.
4. Compute the return on assets (ROA) for each year.
5. Compute the return on equity (ROE) for each year.
6. Analyze the financial performance and trend of PepsiCo Inc. over these years.