The land on a 100-acre farm is equally suited for grazing cattle and growing corn.
of the following ways of distributing land use, which would produce the greatest number of calories of human consumption?

a. 100 acres cattle; 0 acres corn
b. 80 acres cattle; 20 acres corn
c. 50 acres cattle; 50 acres corn
d. 20 acres cattle; 80 acres corn
e. 0 acres cattle; 100 acres corn