An Import Quota Is

An import quota is

A) a tariff that is a fixed percentage of the price of a good.
B) a tariff that is a fixed dollar amount per unit of a good.
C) an agreed upon price for a good to be imported at a specified future date.
D) a restriction that specifies the maximum quantity of a good that may be imported in a given time period.
E) the same as an export subsidy.