2. Comparative and absolute advantage Shen and Valerie are farmers. Each one owns a 20 -acre plot of land. The following table shows the amount of batloy and alfalfa each farmer can produce per year on a given acre. Fach farmer chooses whether to devote all acres to producing bartey or alfalfa or to produce barfey on some of the. land and altalfa on the rest. On the following graph, use the blue hre (arcit symbol) to piot shon's production possibities frontier (PPF), and use the purple fine (ciamond symbold to phot Valeries PPr