Answer:
Sunk cost
Step-by-step explanation:
-Incremental cost is the total cost of producing an additional unit.
-Sunk cost is a cost that has already been paid and that it is not possible to get it back.
-Out-of-pocket cost is a cost that requires a direct payment in the actual period.
-Opportunity cost is the cost of not receiving a benefit when you choose an alernative over another one.
-Period cost is a cost that is not associated with the production of goods.
According to this, the answer is that the $14 per unit is a sunk cost because the company has already spent that manufacturing the products and it is not able to recover that money.