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Let us say the estimated equation for the economy’s aggregate demand is

Y = 400 – 15P + 8G

And the estimated equation for the economy’s aggregate supply is

Y = 5 + 11P – 10W

where Y is the country’s real GDP, P is the price level (GDP deflator), G is government purchases of goods and services, and W is the index of wages.

If G = 160 and W = 100, find the equilibrium real GDP and the price level in the economy.What is the simple multiplier in this economy? Give the number

Attempt:

400-15(P)+8(160)=5 + 11P – 10(100)

400-15(P)+1280=5+11P-1000

400+1280-5+1000=26p

p=102.88

Y =400 – 15P + 8G=136.8

Y = 5 + 11P – 10W=136.68

y=136.73

n=14066.7824

k=1/1-mpc

mpc=??

Not sure what to do from here? Seems I need I,C but no way to find those values from numbers given to me.

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