Answer:Second Stage
Step-by-step explanation:
Barney thinking indicates that barney is second stage of Kohlberg's moral development. According to Kohlberg's, there are levels of moral reasoning
In second stage which lies in the Pre-conventional level expresses "what's in it for me" i.e. individual decides what is right behavior based on his personal interest. Stage 2 person show limited interest in the needs of others and only concentrates on their own personal agenda.
Here also Barney see his own interest without even considering that stealing is not ethically right.