If your tongue feels heavy and looks enlarged, then you could be suffering from a condition called scalloped tongue. Know what this condition may indicate, and what is its treatment, from the following. Advertisement. If the tongue appears to be pale or sore and sometimes inflamed, then it may be an indication of an underlying health condition.
economics. 1  the benefit that could have been gained from an alternative use of the same resource. 2  An opportunity cost is the cost of not being able to do other things with time and resources because of doing the chosen activity.
sunk costs: These are costs that were incurred in the past. Sunk costs are irrelevant for decisions, because they cannot be changed. Opportunity cost: The profit foregone by â¦ selecting one alternative over another. It is the net return that could be realized if a resource were put to its next best use.n economics and business decision-making, sunk costs are costs that cannot be recovered once they have been incurred.