​Exhibit 3-14 Supply and Demand Curves

​Exhibit 3-14 Supply and demand curves
-​ In Exhibit 3-14, if the market price of compact discs is initially $15, a movement toward equilibrium would require:

A) ​no change, because an equilibrium already exists.
B) ​the price to fall below $15 and both the quantity supplied and the quantity demanded to fall.
C) ​the price to remain the same, but the supply curve to shift to the left.
D) ​the price to fall below $15, the quantity supplied to fall, and the quantity demanded to rise.