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If country A uses all of its resources efficiently, it can produce a maximum of 100 units of good X. If country A uses all of its resources efficiently, it can produce a maximum of 150 units of good Y.
If country B uses all of its resources efficiently, it can produce a maximum of 75 units of good X. If country B uses all of its resources efficiently, it can produce a maximum of 125 units of good Y.
Both countries have (linear) straight line PPFs. What is the
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