Given the following financial data for Procter & Gamble for the years 2019, 2020, and 2021, perform the financial analysis:

	2019	2020	2021
Revenue	$67,684	$70,950	$76,118
Cost of Goods Sold	$33,336	$34,567	$36,878
Gross Profit	$34,348	$36,383	$39,240
Operating Expenses	$24,382	$25,800	$27,200
Operating Income	$9,966	$10,583	$12,040
Net Income	$7,853	$8,499	$10,594

	2019	2020	2021
Total Assets	$115,432	$120,444	$131,109
Total Liabilities	$71,534	$74,332	$78,650
Shareholders' Equity	$43,898	$46,112	$52,459

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. Evaluate the financial performance trend of Procter & Gamble.