I am trying to study Pfizer latest annual report. I can't seem to answer above titles if anyone can help . I will appreciate it. pls check the pfizer annual report online

Footnotes - How is the inventory valued? Does this surprise you? How is bad debt estimated? How does it account for long-lived assets? Are there any contingent liabilities? Did the company enter into any related party transactions or long-term contracts ? Auditor's Report - What was discussed? Who are the external auditors? Footnotes - How is the inventory valued? Does this surprise you? How is bad debt estimated? How does it account for long-lived assets? Are there any contingent liabilities? Did the company enter into any related party transactions or long-term contracts ? Auditor's Report - What was discussed? Who are the external auditors