Graph 9-6
This graph refers to the market for oil in Spain. 
-According to Graph 9-6, producer surplus in Spain after trade would be:
Definitions:
Constraint
A limitation or restriction on someone’s actions, capabilities, or freedom, often imposed by external factors or conditions.
Postmodernism
An intellectual stance or mode of discourse defined by an attitude of skepticism towards what it describes as the grand narratives and ideologies of modernism, emphasizing plurality, ambiguity, and diversity.
Common Culture
Refers to the shared set of beliefs, values, customs, and practices that characterizes a group or society.
Societal Values
The principles and beliefs that are held in high esteem by a society or community, guiding behavior and judgment.
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