Refer to the information provided in Figure 4.4 below to answer the question(s) that follow. 
Figure 4.4
-Refer to Figure 4.4. Assume that initially there is free trade. The price of oil in the United States will increase to $150 per barrel if the United States then imposes ________ tariff per barrel of imported oil.
Definitions:
Work Satisfaction
The level of contentment employees feel about their job, including aspects such as tasks, environment, and compensation.
Attitude
A psychological tendency expressed by evaluating a particular entity with some degree of favor or disfavor.
Self-Esteem
The degree to which a person feels confident, valuable, and worthy of respect.
Worth
The value ascribed to something or someone, often in terms of monetary, social, or personal significance.
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