From Apple Inc 10k form link: https://www.sec.gov/Archives/edgar/data/320193/000119312513416534/d590790d10k.htm

Are your company's financial statements audited by an independent public accounting firm? Find and read the "Report of Independent Registered Public Accounting Firm" (or similarly titled report) in the 10-K. What is the name of your company's audit firm and what type of opinion did it issue? (unqualified, unqualified with modified wording, qualified, adverse or disclaimer). Summarize the responsibilities the auditor assumed regarding the financial statements and internal controls based on their report.

Find and read the "Report of Management Responsibilities" or "Certification of Chief Executive Officer/Chief Financial Officer" (or similar titled report) found in the company's 10-K. These reports are required by the Sarbanes-Oxley Act. Who signed it? Summarize the responsibilities the management assumed regarding the financial statements and internal controls based on their report.