-By What Percent Did Real GDP Rise Between 1998 and }

Multiple Choice

$$\begin{array} { c c c c } \text { Year } & \text { GDP } & \text { GDP deflator } & \text { Population } \\1998 & 500 & 100 & 200 \text { million } \\1999 & 800 & 160 & 210 \text { million }\end{array}$$
-By what percent did real GDP rise between 1998 and 1999?

A) 0
B) 20
C) 60
D) 100
E) 160