As alluded to previously, opportunity costs should also be
considered when choosing a mode of transport. Opportunity
cost is a term that is widely used within the accounting and
finance spheres. Atrill and McLaney (2008:491) defined
opportunity cost as ‘the cost incurred when one course of
action prevents an opportunity to derive some benefit from
another source of action’. For example, if money is invested,
the opportunity to use that money for an alternative action
to derive a benefit from it is lost, such as taking that same
money and putting it in the bank to earn interest.