Table 93 -Refer to Table 9

Table 9.3
$$\begin{array}{l}\text { ‡ Table } 9.3\\\begin{array} { c c c } \begin{array} { c } \text { Real } \\\text { GDP } ( \$ ) \end{array} & \text { Consumption } ( \$ ) & \begin{array} { c } \text { Planned } \\\text { Investment } ( \$ ) \end{array} \\\hline 0 & 140 & 100 \\100 & 220 & 100 \\200 & 300 & 100 \\300 & 380 & 100 \\400 & 460 & 100 \\500 & 540 & 100 \\600 & 620 & 100 \\700 & 700 & 100 \\800 & 780 & 100 \\900 & 860 & 100 \\1,000 & 940 & 100 \\1,100 & 1,020 & 100 \\1,200 & 1,100 & 100 \\1,300 & 1,180 & 100\end{array}\end{array}$$
-Refer to Table 9.3, which shows the real gross domestic product (GDP) , consumption, and planned investment in an economy. The marginal propensity to consume (MPC) in the economy is _____

A) 0.
B) 0.2.
C) 0.8.
D) 0.9.
E) 80.