-In the Table Above, What Does the Private Sector Surplus

$\begin{array}{|l|l|}\hline \text { Component } & \begin{array}{l}\text { Amount } \\\text { (billions of dollars) }\end{array} \\\hline \begin{array}{l}\text { Government } \\\text { expenditure,G }\end{array} & 700 \\\hline \text { Net taxes, } T & 600 \\\hline \text { Investment }, I & 350 \\\hline \text { Savings, } S & 500 \\\hline\end{array}$
-In the table above, what does the private sector surplus equal?

A) $500 billion
B) $350 billion
C) $0
D) $150 billion