Write a report about Amazon.com, Inc.based on their 10-K filings. To write this report, you first need to go to "Table of Contents" in the 10-K filing you choose and find "Item 8. Financial Statements and Supplementary Data". Within item 8, read "notes to consolidated financial statements", and discuss four or more of the following issues.

1. Items constituting Other Comprehensive Income or Loss.
2. Different types of Shareholders' Equity the company has.
3. A breakdown of Cash and Cash Equivalents.
4. Accounts Receivable valuation and measurement of Allowance for Doubtful Accounts.
5. A breakdown of bonds, including details such as amounts, interest rates, maturity dates, and any special features.
6. Various segments the company has. The segments could be based on geography (such as US segment and International segment) or different services or products.

The report should contain an introduction, discussion/analysis, and reference. The discussion/analysis should contain at least four paragraphs, with each paragraph addressing one of the above issues.

Here is the link to Amazon 10-k fillings.

https://www.sec.gov/Archives/edgar/data/1018724/000101872420000004/amzn-20191231x10k.htm