Answer: (A) The duty of loyalty
Explanation:
Dr. Early violating the duty of the loyalty as he keeps some amount of money for himself. The duty of loyalty is basically refers to the principle values in which the the interest of an organization are required before the personal value interest.
The importance of the duty of loyalty is that it avoid all the type of possible interest conflicts in the company and always stay loyal towards the government duty or task.
The duty of loyalty are violating due to some personal information or data gain and the advantage of the organization opportunity.
Therefore, Option (A) is correct.