Answer: E. Based on determining long term beneficial consequences.
Explanation: Ethical egoism is the prescriptive or normative doctrine, that each individual seeks only it's one wellness. This is a self interest theory.
Ethical egoism is based on determining long term beneficial consequences of a decision.
Kantianism view decision rightness or wrongness of an individual without considering its consequences. Utilitarianism views ones way of making a right or wrong decision, considering the immediate consequences. While ethical egoism considers the long term consequences of a decision.