The eeonomy was at point A producing 100X and 200Y. It then moves to point B where it produees 200X and 300Y. 1t follows that 6. point A may have been a point below the economy's PPF, while point B may lie on the PPF. b the economy's PPF could bave ahifted inward and point was a point on the economy's old PPF. c the economy has moved from one point on its PPF to another point on the aame PPF. d. the economy moved from an unattainable point to an attainable point