In one day, Brandon can either plow 10 acres or plant 20 acres. In one day, Christopher can either plow 14 acres or plant 14 acres. Brandon and Christopher can:
A) exchange, but only Brandon will gain from the exchange.
B) exchange, but only Christopher will gain from the exchange.
C) gain from exchange if Brandon specializes in planting and Christopher in plowing.
D) gain from exchange if Brandon specializes in plowing and Christopher in planting.
Answer: C