Learning Contents:                                                              ·          Understanding   Opportunity Cost ·          Opportunity cost and Different Decisions ·          Understanding Marginal Opportunity Cost   Opportunity Cost:    We find the concept of opportunity cost everywhere. If we spend our time reading books, we cannot spend it on entertainment. If we miss our economics class (not recommended, by the way), the opportunity cost is the learning we miss.  Spending your time on gossips would take you away from t...