After reading"C.S. Lewis,Greed,and Self-Interest"

Address the following questions/prompts in your discussion post:

1. What is the difference between selfishness and self interest?Share an example from your personal experience.
2. How does self-interest work within economic circumstances to help others?
3. What are some guidelines one might employ to ensure self-interest does not become selfishness?
4. What does this topic have to do with our choice of economic philosophy (market vs. command)?