In certain circumstances, there is hesitancy among members of certain racial and ethnic groups to discuss personal matters with members of groups perceived to be more dominant. a term that may be used to describe this defensive phenomenon is:

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.