When a new, faster computer chip is introduced, demand for computers using the older, slower chips decreases.
Simultaneously, computer makers increase their production of computers containing the old chips in order to clear out their stocks of old chips.

a. Draw two diagrams of the market for computers containing the old chips: one in which the equilibrium quantity falls in response to these events and one in which the equilibrium quantity rises.

b. What happens to the equilibrium price in each diagram?