The Table Gives Data for a Nation

$\begin{array} { l c } \hline { \text { Item } } & \text { Billions of dollars } \\\hline \text { Consumption expenditure } & 4,000 \\\text { Interest, rent, and profit } & 300 \\\text { Investment } & 1,000 \\\text { Depreciation } & 400 \\\text { Government expenditure on goods and services } & 1,000 \\\text { Net exports of goods and services } & 200 \\\hline\end{array}$
The table gives data for a nation. What is the amount of the country's GDP?

A) $6,200 billion
B) $6,000 billion
C) $6,900 billion
D) $6,600 billion
E) $5,800 billion.