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INCOME= SHARE GIVEN TO WORKERS*MPC OF WORKERS+ SHARE GIVEN TO CAPITALISTS*MPC OF CAPITATISTS + INVESTMENT
Y=( Y/2)3/4+(Y/2)1/2+100
SOLVING THIS U WILL GET Y=800/3
Y'=(3Y'/4)3/4+ (Y'/4)1/2 +100
SOLVING THIS U WILL GET Y'=1600/5
NOW Y' - Y =1600/5-800/3 = +160/3....SO OPTION A
( MPC= MARGINAL PROPENSITY TO CONSUME OUT OF INCOME)
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