If the Price of Peanut Butter Decreases Substantially (Ceteris Paribus)

Multiple Choice

If the price of peanut butter decreases substantially (ceteris paribus) , the equilibrium quantity of jelly, a complement, is likely to:

A) ​increase, and the equilibrium price of jelly is likely to decrease.
B) ​increase, and the equilibrium price of jelly is likely to increase.
C) ​decrease, and the equilibrium price of jelly is likely to decrease.
D) ​decrease, and the equilibrium price is of jelly likely to increase.