Which of the following scenarios illustrates a violation of the Sarbanes-Oxley Act?

Ronan, the CFO of Puvane Inc., is granted an unsecured loan by the company to pay his sons medical bills.

Wong is a member of the audit committee of a public corporation. However, he is an external member and was not employed by the corporation.

Tina, an accountant, fails to detect a fraud in the financial statements of the company she audits.

Natalie is assigned to audit a companys financial records. She finds it impossible to arrive at a conclusion and issues a disclaimer of opinion.