-In the Above Table, Savings Are Positive When Disposable Income

Multiple Choice

$$\begin{array} { | l | l | } \hline \begin{array} { l } \text { Disposable income } \\\text { (dollars) }\end{array} & \begin{array} { l } \text { Consumption } \\\text { expenditure (dollars) }\end{array} \\\hline 0 & 100 \\\hline 100 & 180 \\\hline 300 & 340 \\\hline 500 & 500 \\\hline 700 & 660 \\\hline 900 & 820 \\\hline\end{array}$$
-In the above table, savings are positive when disposable income is greater than

A) $500.
B) zero.
C) $300.
D) $100.