Ethics:

Ethics is the set of some moral values and principal that differentiate right and wrong morally.

Revenue:

Revenue means anything the company received in return, cash, cash claim, any asset, etc.

It is recognized when earned and realized not only when received.

Kohlberg’s model of moral development:

It is a theory on moral development explained by Kohlberg in three stages. This theory helps to know the moral development of an individual. The meaning of morals is different for different people.