(Advanced Analysis)Answer the Question on the Basis of the Following

question 20

Multiple Choice

(Advanced analysis) Answer the question on the basis of the following data for a private closed economy.The letters Y,C,S,and I are used to represent real GDP,consumption,saving,and investment respectively. $\begin{array}{ccc}\underline{\text { GDP }(Y) } & \underline{\text { Consumption (C) }} & \underline{\text { Investment (I) }} \\\$ \$ 0 & \$ 60 & \$ 30 \\100 & 120 & 40 \\200 & 180 & 50 \\300 & 240 & 60 \\400 & 300 & 70 \\500 & 360 & 80\end{array}$ The equation representing the investment schedule for the economy is:

• A) I = .3Y.
• B) I = 80 - .3Y.
• C) I = 30 + .1Y.
• D) I = I₀ = 30.

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