A Lump - Sum Tariff Is

A lump - sum tariff is

A) a fixed fee that an importing firm must pay the domestic government in order to have the legal right to sell the product in the domestic market.
B) the fee an importing firm must pay to the domestic government on each unit it brings into the domestic market.
C) a restriction limiting the quantity of imported goods that can legally enter a domestic market.
D) none of the statements associated with this question are correct.