Daran Is a Five-Year Employee at His Company and Exhibits

Daran is a five-year employee at his company and exhibits some unethical practices, such as extensive time on the Internet for nonwork purposes, lying on time sheets, and overbilling customers. Knowing only this, who among the following likely had the most influence on Daran's development of these behaviors?

A) his current direct supervisor
B) the first direct supervisor he had when he joined the company
C) his closest coworkers
D) the company's executive leadership