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Question 4. IS-LM and All-AS model (Keynesian economic theory without Misperoeption Theory} [so Marks] Draw the I$LM and AD-AS model (without Misperce-ption Theory} to analyse the effeats of each of the following on the economy in Short-run and Long-run equilibrium Jewels of real interest rate, output, price, employment and consumption. It is assmned that there is sticky price adjustment. Using graphs to illustrate and explain briey. a} Due to an outbreak of a new virus, the government is increasing its expenditures in health (hospitals and new doctors} and education {new teachers and online classes}. [Ill Marks] [only provide both graphs and explanation are awarded full marks] b} Due to a hard lockdown in the country there is a decrease in expected future output. [ll] Marks] [only provide both graphs and explanation are awarded full marks]