If the Price of Ice Cream Increases Substantially (Ceteris Paribus)

If the price of ice cream increases substantially (ceteris paribus) , the equilibrium quantity of hot fudge sauce, a complement, is likely to:

A) increase, and the equilibrium price is likely to decrease.
B) increase, and the equilibrium price is likely to increase.
C) decrease, and the equilibrium price is likely to decrease.
D) decrease, and the equilibrium price is likely to increase.
E) decrease, while the impact on equilibrium price is uncertain.