I need help with these seven questions that I am currently working on in Econ 101 pleases .

I need help with these seven questions that I am currently working on in Econ 101 pleases . 

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Economics Questions and GraphsQuestion 1(i) Marginal propensity to consume0.75/1=0.75(ii) Spending Multiplier1/MPSHence1/0.25=4(iii) First consumption -250 billionSecond consumption -250...