According to IIA guidance, which of the following are appropriate actions for the chief audit...

Evaluate and verify management's response, and determine the need and scope for additional work.

Evaluate and verify management's response, and establish timelines for corrective action by management.

Oversee the corrective actions undertaken by management, and determine the need and scope for additional work.

Oversee the corrective actions undertaken by management, and establish timelines for corrective action by management.