Use Table 10 $\text { Table } 10.3$ The Equilibrium Level of Output in Table 10

Use Table 10.3,which shows the relationship between consumption and income.Assume the price level is constant. $\begin{array}{ll}\text { Disposal Income } & \text { Total Consumption }& \text { Investment }& \text { Total Expenditure }\\\text { (Billions per Year) }& \text { (Billions per Year) }& \text {(Billions per Year) }& \text { (Billions per Year) }\\\hline\$ 0 & \$ 200 & \$ 100 &\_\_\_\\200 & 300 & 100&\_\_\_ \\400 & 400 & 100&\_\_\_ \\600 & 500 & 100&\_\_\_\end{array}$

$\text { Table } 10.3$ The equilibrium level of output in Table 10.3 is

A) Between $400 and $600 billion.
B) $200 billion.
C) $400 billion.
D) $600 billion.