Use the following to answer questions:
Figure: A Market with a Tax 
-(Figure: A Market with a Tax) Look at the figure A Market with a Tax. The efficiency loss resulting from this tax is:
Definitions:
Flynn Effect
An observed increase in intelligence test scores, on average, over time, attributed to environmental factors like improved nutrition and education.
American Middle-schooler
A term denoting a student in the United States who is in middle school, typically ranging from ages 11 to 14.
Nigerian
Relating to Nigeria or its people, culture, or language, a West African country known for its diverse cultures, languages, and significant oil reserves.
Flynn Effect
The observed increase in IQ scores across generations, indicating a trend towards higher cognitive abilities over time.
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