Over Time, the Equilibrium Price of a Gigabyte of Computer

Multiple Choice

Over time, the equilibrium price of a gigabyte of computer memory has fallen, while the equilibrium quantity purchased has increased. Based on this we can conclude that

A) decreases in the demand for computer memory have exceeded increases in supply.
B) decreases in the supply of computer memory have exceeded increases in demand.
C) increases in the demand for computer memory have exceeded increases in supply.
D) increases in the supply of computer memory have exceeded increases in demand.