-Using the Data in the Above Table,suppose Imports Equals $250

$$\begin{array} { | l | c | } \hline{ \text { Item } } & \begin{array} { c } \text { Billions of } \\\text { dollars }\end{array} \\\hline \text { Exports of goods and services, } X & 500 \\\hline \text { Imports of goods and services, } M & \\\hline \text { Net taxes, } T & 750 \\\hline \text { Government expenditure, } G & \\\hline \text { Saving, } S & 1,000 \\\hline \text { Investment, } I & \\\hline\end{array}$$
-Using the data in the above table,suppose imports equals $250 billion and investment equals $1,000 billion.Hence government expenditure equals

A) $1,000 billion.
B) $750 billion.
C) $500 billion.
D) $250 billion.