Evaluate the operating cash flow of three globally recognized companies:

Company	Year	Operating Cash Flow (in billions)
Alphabet	2023	$70
	2022	$65
	2021	$60
Facebook	2023	$55
	2022	$50
	2021	$45
General Electric	2023	$40
	2022	$35
	2021	$30

Requirements:

• Calculate the average annual operating cash flow for each company.
• Identify the company with the highest operating cash flow in the most recent year.
• Discuss the significance of operating cash flow for financial health and sustainability.