In 2010,per Capita Real Gross Domestic Product (GDP)in Germany Was

In 2010,per capita real gross domestic product (GDP) in Germany was $40,197.67.By 2011,it had increased to $43,741.55.At what rate did Germany's economy grow in that time?

A) 5.5 percent
B) 6.7 percent
C) 3.5 percent
D) 8.1 percent
E) 8.8 percent