Set up model (5.8) on a spreadsheet and assume instantaneous money market adjustment and sluggish goods market adjustment. Establish the new equilibrium and plot the trajectory of the economy in (Y,r)- space starting from the initial equilibrium for each of the following. Treat each one separately and assume the change takes place in period 1
(i) Fall in G from 330 to 250.
(ii) Fall in Ms from 470 to 400.