Why Do Marketers Consider Prestige Products to Be an Exception

Why do marketers consider prestige products to be an exception to the law of demand?

A) The demand curve for prestige products slopes downward and to the right.
B) Prestige products like diamonds,sapphires,and emeralds are non-renewable resources.
C) Increasing the price of prestige products can make them seem more desirable.
D) Customers are not oblivious to the price of prestige products like they are to the price of other products.
E) Demand for prestige products often is much lower than supply.