A company has received a whistleblower report that a high level supervisor has been submitting false time reports. What should the company do?

A. Let HR handle the matter and determine if there was a problem.

B. Submit a formal report in the supervisor's personnel file

C. Review the facts presented by the whistleblower against pre-established criteria to determine

whether a formal inquiry might be warranted.

D. Let a staff auditor review time reports over the last year compiled by the supervisor.