You are comparing the cash flows of two technology giants, Apple Inc. and Microsoft Corporation, for the fiscal year ended December 31, 2023. Below are the summarized cash flow statements for both companies:

Cash Flow Statement for Apple Inc.:

Category	Amount (in billions USD)
Operating cash flow	$80
Investing cash flow	-$50
Financing cash flow	-$30

Cash Flow Statement for Microsoft Corporation:

Category	Amount (in billions USD)
Operating cash flow	$60
Investing cash flow	-$40
Financing cash flow	-$20

Requirements:

1. Compare the total cash flow from operations between Apple Inc. and Microsoft Corporation.
2. Analyze the investing activities of both companies and discuss any significant differences.
3. Compare the financing activities of Apple Inc. and Microsoft Corporation and identify any noteworthy trends.