-How Much Is Induced Consumption When Disposable Income Is $600

$$\begin{array} { c c } \text { Disposable Income } & \text { Consumption } \\0 & \$ 200 \text { billion } \\\$ 200 \text { billion } & 300 \text { billion } \\400 \text { billion } & 400 \text { billion } \\600 \text { billion } & 500 \text { billion } \\800 \text { billion } & 600 \text { billion }\end{array}$$
-How much is induced consumption when disposable income is $600 billion?

A) 0
B) $200 billion
C) $300 billion
D) $400 billion
E) $600 billion