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C=40+0.8Y and I =10, then what will be the equilibrium level of income?

Solution

Correct Option: 4

At equilibrium, Y=C+IY = C + I. Substituting, Y=40+0.8Y+10=50+0.8YY = 40 + 0.8Y + 10 = 50 + 0.8Y. So 0.2Y=500.2Y = 50, giving Y=250Y = 250.

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