Darnell and Eleanor are farmers. Each one owns a 20-acre plot of land. The following table shows the amount of barley and alfalfa each farmer can produce per year on a given acre. Each farmer chooses whether to devote all acres to producing barley or alfalfa or to produce barley on some of the land and alfalfa on the rest.

Barley Alfalfa
Darnell 40 8
Eleanor 28 7

_____________ has an absolute advantage in the production of barley, and _____________ has an absolute advantage in the production of alfalfa. Darnell's opportunity cost of producing 1 bushel of alfalfa is _____________ bushels of barley, whereas Eleanor's opportunity cost of producing 1 bushel of alfalfa is_____________bushels of barley. Because Darnell has a _____________ opportunity cost of producing alfalfa than Eleanor, _____________ has a comparative advantage in the production of alfalfa, and _____________ has a comparative advantage in the production of barley.