Hi, please list out the formulas where necessary , graphs where necessary , if the question doesnt require it, its fine not have it but please do put it down if it helps you to explain . If the answer is provided, its because I struggled to understand the answer, please dont just reproduce it, but rather explain it and list out the formulas used with explanations OF FORMULAS USED IN THE QUESTION , the procedure etc.Thank you!

Q3. Calculate the following and comment on your ndings in light of your answer to the previous question. (a) Assume that private consumption is 60% of GDP and private consumption increases 3%. By how much (in percentage terms) will aggregate demand change? Aggregate demand will increase 1.8% (b) Assume that private investment is 20% of GDP and private investment increases 5%. By how much (in percentage terms) will aggregate demand change? Aggregate demand will increase 1%. In the previous question, we highlighted the fact that investment fluctuates proportionately much more than consumption, but in this question we are highlighting the fact that because consumption is typically a much larger share of GDP than investment, even proportionately smaller changes can be larger in absolute terms. In practice, both components contribute roughly equally to GDP fluctuations the greater magnitude of consumption is offset by the greater volatility of investment