4. What are the requirements of section 404 of SOX? a. It requires the senior management and the boards of public companies attest to the effectiveness and validly of their financial control process. b.It requires that auditors do not perform any non- auditing tasks for the companies they audit. c.It requires that senior managements return any profits or bonuses resulting from stock sales during any period covered by financial statements that must later be restated. d.It requires that audit partners rotate every five years. 5.What is firm