Analyze the financial data of General Electric Company provided below for the years 2018, 2019, and 2020:

	2018	2019	2020
Revenue	$121,615	$95,214	$79,619
Cost of Revenue	$80,712	$63,845	$55,722
Gross Profit	$40,903	$31,369	$23,897
Operating Expenses	$21,305	$18,541	$14,370
Operating Income	$19,598	$12,828	$9,527
Net Income	$5,370	-$5,439	-$5,767

	2018	2019	2020
Total Assets	$309,129	$266,705	$248,457
Total Liabilities	$210,402	$176,620	$158,341
Shareholders' Equity	$98,727	$90,085	$90,116

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. Discuss the financial performance trend of General Electric Company over these three years.