The CFO of your company has been asked to give a summary of the PCAOB to the board of directors and has asked you for a primer. Provide the CFO with the highlights of the SOX act. Your primer should include answers to these specific questions: 1. What are the primary responsibilities of the PCAOB? 2. What changes did Sox make with regard to CEO/CFO accountability for the financial statements? 3. What changes did SOX make with regard to auditor independence rules? 4. What changes did SOX make with regard to internal control reporting by management and auditor? 5. What changes did SOX make with regard to whistleblowers?