Use the following to answer question: 
-(Figure: The Market for iPhones) Use Figure: The Market for iPhones.Assume that PA is the autarky price,PW is the world price,and D and S represent domestic demand and supply,respectively.Producer surplus in free trade equals the area:
Definitions:
Minimum Age
The legal age set by law that a person must reach to engage in certain activities or responsibilities, such as voting, drinking alcohol, or working.
Presidency
The office held by the president, who is the head of the executive branch in a republic or democratic nation.
Constitution
The fundamental principles and precedents established by which a state or other organization is governed.
Executive Agreements
International agreements entered into by the executive branch of the US government without Senate approval, unlike treaties.
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