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Given an economy described by the following set of equations. Y = C(Y - T) +...

Given an economy described by the following set of equations.

Y = C(Y - T) + I(r) + G

C = 200 + 0.80(Y - T)

I = 300 - 2r

G = 400

T = 200

(M/P)d = 0.80Y - 8r

Ms = 5,600

Price-level = P = 2

What is the equilibrium level of investment?

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