Table 91 -Refer to Table 9

Table 9.1
$$\begin{array}{l}\text { Table } 9.1\\\begin{array} { c c } \begin{array} { c } \text { Disposable } \\\text { Income } ( \$ ) \end{array} & \text { Consumption } ( \$ ) \\\hline 1,000 & 800 \\1,100 & 880 \\1,200 & 960 \\1,300 & 1,040 \\1,400 & 1,120\end{array}\end{array}$$
-Refer to Table 9.1, which shows the disposable income and consumption of a household. Saving _____

A) decreases as disposable income increases.
B) decreases as disposable income decreases.
C) remains constant as disposable income increases.
D) is negative at a disposable income of $1,000.
E) is negative at a disposable income of $1,400.