The Table Above Gives Some Data About GDP in a c

Multiple Choice

$\begin{array} { l c c } \hline & \begin{array} { c } \text { Data for 2012 } \\\text { (billions of dollars) }\end{array} & \begin{array} { c } \text { Data for 2013 } \\\text { (billions of dollars) }\end{array} \\\hline \text { Nominal GDP } & 4,000 & 4,400 \\\text { GDP using 2010 prices } & 4,000 & 4,240 \\\text { GDP using 2011 prices } & 4,230 & 4,400 \\\hline\end{array}$
The table above gives some data about GDP in a country for two years. Using these the chained-dollar method for calculating real GDP, real GDP increased by_{--------------------} percent between these two years.

A) 6
B) 10
C) 2
D) 5
E) 4