Children are not "naturally" prejudiced. Prejudice and discrimination are reinforced when relatives and friends reward children with smiles and laughs for telling derogatory jokes or making negative comments about outgroup members. This is the basic framework of the

Fundamental principle

Explanation:

In this they are coached appropriately from knowing what to avoid, how to avoid and when to avoid.

by using  production possibilities graph.  opportunity costs are key expenses in financial matters and are utilized as a part of registering money saving advantage investigation of a venture. such expenses, be that as it may, are not recorded in the record books but rather are perceived in basic leadership by processing the money costs and their subsequent benefit or misfortune.