Use the following to answer question: 
-(Figure: A Tariff on Oranges in South Africa) Use Figure: A Tariff on Oranges in South Africa.When the government imposes a tariff on imported oranges,the price of oranges in South Africa rises from PW to PT and there's a net _____ to total surplus of _____.
Definitions:
Role Assimilation
The process of adopting and internalizing the expectations, behaviors, and responsibilities associated with a particular social role within a group or society.
Behavioral Stability
Consistency in patterns of action or behavior over time, reflecting a person's or group's predictability and reliability.
R&D Organization
An organization primarily focused on research and development activities aimed at the creation of new products, services, or processes.
Performance Declined
A situation where the level of effectiveness, productivity, or efficiency of an individual or group decreases compared to a previous period.
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