Opportunity cost is the benefit cost that a person could have had is
lost when one is chosen between an alternative given. So if you choose to the
side of defense and bolstering it whatever the costs, we may have so many lost
opportunity costs at our hands. The allocated material for the construction, the
costs for these materials are very expensive if a country has to improve its
defense. The people that will serve for the defense, not only in the military
section but the country must hire and train other men or women to help in the
defense. The property that has to be destroyed to replace it with a fence or
wire for defense.
