Which of the following IIA Code of Ethics principles was violated in this scenario?

During a payroll audit, the internal auditor discovered that several individuals who have the same position classification as he are earning a significantly higher salary. The auditor noted the names and amounts of each, and he planned to prepare a request to the chief audit executive for a salary increase based on this information.

Which of the following IIA Code of Ethics principles was violated in this scenario?
A . Competency.
B. Objectivity,
C. Integrity.
D. Confidentiality

Answer: D