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Question 3 (2 points) Saved Paul and Mark are twin brothers who must share 6 units of good X and 8 units of good Y between themselves. They have the same preferences and, therefore, the same utility. Let the utility function be U (X;, Yi) = Xi + Yi, where X; is the quantity of good X and Y; the quantity of good Y received by i, where i is either Paul or Mark. You would agree with the following statement. Giving Paul either (6,8) or (0,0) are the only efficient allocations of the goods. Any allocation of the 6 units of good X and 8 units of good Y is efficient. Giving Paul either (3,4) or (6,8) or (0,0) are the only efficient allocations of the goods. Giving Paul and Mark (3,4) is the only efficient allocation of the goods