Free Trade and Trade Protection (id: 8f7012855)

本题目来源于试卷: Free Trade and Trade Protection，类别为 IB经济学

[单选题]

From the given diagram, calculate the import expenditure.

A. 60 million
B. 150 million
C. 200 million
D. 210 million


参考答案:  B


本题详细解析:

B

$\underset{‾}{\text{Explanation}}$:
$$ $Importexpenditure=quantityofimports\times worldpriceperunit$

$$ $Imports=70-20$

$$ $(70million-20million)\times$ $\text{\$}3=$ $\text{\$}$150 million

Option A multiplies the world price per unit ($\text{\$}$3) with the domestic supply (20 million)
Option C multiplies the domestic price per unit ($\text{\$}$5) with the equilibrium quantity (40 million)
Option D multiplies the world price per unit ($\text{\$}$3) with the domestic demand (70 million)

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