Assume peanut butter and jelly are complements. Ceteris paribus, an increase in the price of peanut butter will cause the equilibrium price of jelly to
A. Decrease and the equilibrium quantity of jelly to decrease.
B. Decrease and the equilibrium quantity of jelly to increase.
C. Increase and the equilibrium quantity of jelly to increase.
D. Increase and the equilibrium quantity of jelly to decrease.
Answer: A
Economics