Answer:
D. The amount a company originally paid for specialized equipment for a plant.
Explanation:
A sunk cost is the expenditure that a company has already incurred and cannot be retrieved or taken back. In other words, a sunk cost can be defined as the expenditure that is already paid and cannot be taken back.
Among the given options, an example of a sunk cost is the amount a company paid for specialized equipment. This is a prepaid amount that cannot be canceled or taken back, resulting in a fixed expenditure and can no longer be recovered.
Thus, the correct answer is option D.
