From 2009 to 2010,nominal Gross Domestic Product (GDP)in the United

From 2009 to 2010,nominal gross domestic product (GDP) in the United States grew by 3.8 percent.Given that the population grew by 1 percent and per capita real GDP grew by 1.8 percent,we know that prices increased by

A) 2.0 percent.
B) 1.8 percent.
C) 4.8 percent.
D) 1.0 percent.
E) 5.8 percent.