(Figure: Shifts in Demand and Supply IV) Use Figure: Shifts

(Figure: Shifts in Demand and Supply IV) Use Figure: Shifts in Demand and Supply IV. The figure shows how supply and demand might shift in response to specific events. Suppose that a large amount of people move away from Philadelphia such that the population decreases by 20%. Which panel BEST illustrates how this event will affect the supply of houses in Philadelphia?

A) A
B) B
C) C
D) D