50 points 1. You are given with the following PPF for Minnesota- Quantity of guns produced Quantity of butter produced a. What are the two initial assumptions we make when we look at a PPF? (2) b. What does point A and point D represent in the graph? (2) c. Assume, we have the following information. Point B has (4 butter, 11 guns) and Point D has (7 butter, 7 guns). What is the opportunity cost of moving from point B to point D? Is this a good move for the consumers? (2)