Exhibit 9-2 -We Can Tell from the Data in Exhibit 9-2 That

Exhibit 9-2
$$\begin{array} { c c c c c c } \begin{array} { c } \text { Income } = \\\text { output } \\\text { (Y) }\end{array} & \mathrm { C } & \begin{array} { c } \text { Planned } \\\text { investment }\end{array} & \begin{array} { c } \text { Aggregate } \\\text { expenditure }\end{array} & \begin{array} { c } \text { Unintended } \\\text { inventory } \\\text { adjustment }\end{array} & \begin{array} { c } \text { Actual } \\\text { investment }\end{array} \\\hline \$ 1,200 & \$ 1,240 & \$ 200 & \$ 1,440 & - \$ 240 & - \$ 40 \\1,400 & 1,380 & 200 & 1,580 & - 180 & - 20 \\1,600 & 1,520 & 200 & 1,720 & - 120 & 80 \\1,800 & 1,660 & 200 & 1,860 & - 60 & 140 \\2,000 & 1,800 & 200 & 2,000 & 0 & 200 \\2,200 & 1,940 & 200 & 2,140 & 60 & 260 \\2,400 & 2,080 & 200 & 2,280 & 120 & 320\end{array}$$
-We can tell from the data in Exhibit 9-2 that planned investment is autonomous because

A) actual investment is constant at each level of income
B) it does not vary as consumption changes
C) it does not vary as income changes
D) it does not vary as the actual investment changes
E) it does not vary as the price level changes