Suppose the current administration decides to increase government expenditures as a means of fighting the COVID-19 crisis. a) Using a graph of aggregate demand and supply, show the effects of such a...

Suppose the current administration decides to increase government expenditures as a means of fighting the COVID-19 crisis.
a) Using a graph of aggregate demand and supply, show the effects of such a decision on the economy in the short run. Describe the effects on inflation and output.
b) What will be the effect on the real interest rate, the inflation rate, and the output level if the central bank decides to stabilize the inflation rate?