The size of the market imbalance (or disequilibrium) that results from the imposition of a price floor or a price ceiling is likely to be the greatest when,
a. there is a large gap between the floor or ceiling price and the equilibrium price
b. there is a small gap between the floor or ceiling price and the equilibrium price
c. the floor or ceiling price is set exactly at the equilibrium price
d. there is no floor or ceiling price at all