The Table Shows the Quantity of Labor (Measured in Hours)

Multiple Choice

$$\begin{array} { | c | c | c | } \hline \text { Year } & \text { Quantity of Labor } & \text { Productivity of Labor } \\\hline 1 & 2,000 & \$ 200 \\\hline 2 & 2,000 & 210 \\\hline 3 & 2,000 & 210 \\\hline\end{array}$$ The table shows the quantity of labor (measured in hours) and the productivity of labor (measured in real GDP per hour) in a hypothetical economy in three different years. Between Year 2 and Year 3,
Real GDP increased by

A) 2 percent.
B) 5 percent.
C) 0 percent.
D) 15 percent.