Answer:
Ethical decisions when dealing with businesses and institutions.
It is important in many aspects:
1. Judicial aspects: If you take unethical decision, you have to be responsible for the risk of future audits that might discover your unethical behavior and would have to afront charges.
2. Reputational Aspects: In the long run much of your trust is at stake as you might become a felon and would have to work really hard to change that view of yourself within a community.
3. Personal well being: At the end is very important to have peace of mind.