Consider the Keynesian model with a flexible price level and flexible money wage. Using the IS-LM and AD-AS diagram, explain the effects on output, price, interest rate, real wages, and employment, given a decrease in government spending. (10 markah/marks) (b) Bagaimanakah keanjalan permintaan wang terhadap kadar bunga mempengaruhi keberkesanan dasar kewangan? How does interest elasticity of money demand influence the effectiveness of monetary policy? (15 markah/marks)