You work in an office and one of your co-workers has announced his retirement. You have offered to purchase the retirement gift, so you place a collection jar in the lunch room for anonymous donations to help pay for the gift. After a week you find that very few dollars are in the jar, so you end up paying for a large share of the retirement gift. You are the victim of the:
A. common resource problem.
B. private good problem.
C. overuse of a common resource problem.
D. free-rider problem.