Apple.Inc

 Accounting for Income Taxes - your SEC 10-K company
https://www.sec.gov/Archives/edgar/data/320193/000032019317000070/a10-k20179302017.htm 

Please use provided link.

Explain what you learn about the disclosures of your SEC 10-K company relating to Income Taxes.

Your comments should relate to net income or loss as well as to the balance sheet treatment and disclosure in the notes to the financial statements.

Additionally consider the concept of risk and the aggressiveness of positions taken.