Explanation
Right to audit would be the most useful requirement since this would provide the company the ability to perform a security audit/assessment whenever there is a business need to examine whether the controls are working effectively at the third party. Options B, C and D are important requirements and can be examined during the audit. A dedicated security manager would be a costly solution and not always feasible for most situations.

Previous financial results are public; all of the other choices are private information and should only be accessed by authorized entities.

Explanation/Reference:
Explanation:
If an organization is unable to take measurements that will improve the level of its safety program. then continuous improvement is not possible. Although desirable, developing a service level agreement (SLA) for security, tying corporate security standards to a recognized international standard and ensuring regulatory compliance are not critical components for a continuous improvement program.