The Figure Given Below Shows the Demand (D₁ and D₂)and

The figure given below shows the demand (D₁ and D₂) and supply (S) curves of medical care. Figure 18.1 Refer to Figure 18.1.One possible reason for the shift of the demand curve from D₁ to D₂ is the:

A) increase in the cost of producing new drugs.
B) restriction imposed by the government on the sale of new drugs.
C) emergence of Medicare and Medicaid programs of the U.S.government.
D) economies of scale experienced while producing medical care.
E) decrease in the cost of producing medical care.