Please answer

Which of the following are true with respect to an audit committee? A. It will help to improve the quality of the financial reporting; the audit committee will assist by reviewing the financial statements. O B. Having an audit committee is optional for public companies in Canada. O C. The audit committee will be responsible for appointing the external auditors, and this will strengthen the auditors' independence and contribute to a channel of communication and forum of issues. O D. The audit committee also pre-approves all non-audit services. O E. The audit committee is elected by the shareholders. O F. It is recommended that the CEO be a member of the audit committee