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%.Given that the population grew by 1% and per capita real GDP grew by 1.8%,we know that prices increased by:

A) 2%.
B) 1.8%.
C) 4.8%.
D) 1%.
E) 5.8%.