Temporal arteritis, also known as giant cell arteritis, is a condition that involves blood vessel inflammation and damage. According to the University of Maryland Medical Center, this condition may affect the medium or large arteries that supply blood to your head, neck, upper body and arms.
Legal Definition of opportunity cost. : the cost of making an investment that is the difference between the return on one investment and the return on an alternative.
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.