Suppose that in the clothing market, production costs have fallen, but the equilibrium price and quantity purchased have both increased. Based on this information we can conclude that:
A. The supply of and demand for clothing have grown by the same proportion.
B. There is no way to determine what has happened to supply and demand with this information.
C. The supply of clothing has grown faster than the demand for clothing.
D. Demand for clothing has grown faster than the supply of clothing.