Claire and Don are farmers who produce beef and corn. In a​ year, Claire can produce 40 tons of beef or 160 bushels of corn. In a​ year, Don can produce 10 tons of beef or 20 bushels of corn. How do Clair and Don maximize their total output of beef and​ corn?
A. Claire produces beef and corn while Don produces nothing.
B. Claire produces beef and Don produces com.
C. Claire and Don each spend half of their time producing beef and the other half producing corn.
D. Don produces beef and Claire produces com.