The Table Above Gives a Nation's Investment Demand and Saving

Multiple Choice

$\begin{array}{lllll}\hline &\text { Investment }& \text {Private saving }& \text { Net taxes } &\text { Government expenditures }\\\text { Real interest rate } & \text { (billions of } & \text { (billions of } & \text { (billions of } & \text { (billions of } \\\text { (percent per year) } & \text { 2005 dollars) } & \text { 2005 dollars) } & \text { 2005 dollars) } & \text { 2005 dollars) }\\\hline 3 & 60 & 20 & 40 & 20 \\4 & 50 & 30 & 40 & 20 \\5 & 40 & 40 & 40 & 20 \\6 & 30 & 50 & 40 & 20 \\7 & 20 & 60 & 40 & 20 \\\hline\end{array}$
The table above gives a nation's investment demand and saving supply schedules. It also has the government's net taxes and expenditures.
-The government has a budget

A) surplus of $20 billion.
B) deficit of $20 billion.
C) deficit of $60 billion.
D) surplus of $60 billion.
E) surplus of $40 billion.