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4.Consider the following IS-LM model: C = 200+0.5 YD I = 150+0.25Y-1000i G=250 T=200 (M/P)d =...

4.Consider the following IS-LM model:
C = 200+0.5 YD
I = 150+0.25Y-1000i
G=250
T=200
(M/P)d = 2Y-8000i
M/P=1600
a. Derive the IS relation
b. Derive the LM relation
c. Solve for the equilibrium real output.
d. Solve for the equilibrium interest rate.
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