CBSE 2016 Class 12 Economics Outside Delhi Set-2

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Question : 2
Total: 5
An economy is in equilibrium. Find investment expenditure:
National income =1200
Autonomous consumption expenditure =150
Marginal Propensity to consume =0.8
Solution:  
Y=C+MPC(Y)+I
1200=150+(0.8×1200)+1
I=1200150960
=90
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