The graph shows the Production Possibility Frontiers of Writ (orange, dotted line) and Greg (green, solid line) when they gather pumpkins or branches individually. Drag and drop the points A, B and C to form the Production Possibility Frontier when Wirt and Greg specialize and exchange the production of branches and pumpkins. Note: Use the circle in the top, left corner of the textbox as the point. Drab Point A as the top left point. Drag Point B to the point at which the joint PPF changes slope. Drag Point C to the bottom right point. Total Branches 6 5 4 3 2 1 0 0 1 2 3 4 5 9 6 Greg's PPF Wirt's PPF Total Pumpkins