Sunk costs are fixed costs that are irrelevant to your business decision making. Prior to beginning work on this discussion, read Mark Daoust's article, Sunk-Cost Fallacy: The Real Truth About the Value of Half-Finished Projects(Links to an external site.). Why is the sunk-cost fallacy problematic? Froeb, McCann, Shor, & Ward (2018) suggest that sunk costs can also be variable. Is this also problematic? Provide your own example of the sunk-cost fallacy. How would you resolve your sunk-cost fallacy?