Select all that apply

Under Section $301$ of the Sarbanes$-$Oxley Act, the audit committee of a public company Blank$\_\_\_\_\_\_.$

Multiple select question.

must preapprove all audit and nonaudit services provided by the auditors

must consist of members who are part of the company's upper management

is directly responsible for the hiring, paying, and oversight of the public accounting firm employed by the company

must have the authority to engage independent counsel to carry out duties as necessary