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# Find Equilibrium National Income: Autonomous Consumption Expenditure = 120 Marginal Propensity to Consume = 0.9 Investment Expenditure = 1100 - Economics

#### Question

Find equilibrium national income:

Autonomous consumption expenditure = 120

Marginal propensity to consume = 0.9

Investment expenditure = 1100

#### Solution

Given that

I = Rs 1100

Marginalpropensity toconsume 0.9

barC = Rs 120

Y = ?

As we know that

Y = C + I

Y = barC+

Y = 120 + 0.9 x Y + 1100

Y = 0.9 x Y + 1220

Y = 12,200

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