In to the figure below, PW stands for world price of goods and the number Q on the horizontal axis is in thousands. When the tariff is imposed, the government collects ① and the deadweight cost caused by the tariff equals ② .

A①$50,000 ②$25,000正確答案
B①$60,000 ②$10,000
C①$10,000 ②$50,000
D①$220,000 ②$30,000
答案與詳解
