-The Figure Above Shows the Market for Annual Influenza Immunizations

-The figure above shows the market for annual influenza immunizations the United States.If the government intervenes in the market and provides a $10 subsidy to providers of immunizations,the number of people immunized is

A) 20 million per year.
B) exactly 10 million per year.
C) between 15 and 20 million per year.
D) less than 10 million per year.
E) more than 10 million and less than 15 million.