The Cost of Producing Aspirin Increases at the Same Time

The cost of producing aspirin increases at the same time as doctors discover that taking one aspirin per day reduces the risk of heart attacks.As a result,the

A) supply of aspirin decreases and the demand for aspirin increases.
B) supply of aspirin decreases by more than the demand for aspirin increases.
C) supply of aspirin increases and the demand for aspirin decreases.
D) equilibrium quantity of aspirin increases and the equilibrium price of aspirin rises.
E) equilibrium quantity of aspirin decreases and the equilibrium price of aspirin rises.