The difference between the demand price and the supply price at the quota limit is:

A) the quota rent.
B) the rent received by landlords who own rent-controlled apartments.
C) the opportunity cost of using or buying a good,subject to an import quota.
D) usually large enough to cause a surplus.

Quota Rent

Quota Rent is the economic rent a producer earns from the difference between the domestic price and the world price due to a quota system limiting imports.

Demand Price

The highest price a consumer is willing to pay for a good or service.

Supply Price

The minimum price at which a seller is willing to sell a good or service, influenced by production costs and market conditions.