If you offer support to a friend who has failed an exam, you are showing
a. repression.
b. hostility.
c. empathy.
d. guilt.

If you offer support to a friend who has failed an exam, you are showing empathy

Explanation:

You are showing that you understand what your friend feels.

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.

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