Disequilibrium occurs when quantity demanded equals quantity supplied

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) gain from exchange if Brandon specializes in planting and Christopher specializes in plowing. B) gain from exchange if Brandon specializes in plowing and Christopher specializes in planting. C) exchange, but only Brandon will gain from the exchange. D) exchange, but only Christopher will gain from the exchange.

Major U.S. exports include automobiles and aircraft

Indicate whether the statement is true or false