5.1 Referring to the scenario, which macroeconomic policy relates to the decrease in interest rates? (2 Marks) 5.2 Illustrate the effect of a decrease in interest rates on the AD-AS model. (10 Marks) 5.3 Discuss the interest rate transmission channel used by the SARB to influence aggregate demand and subsequently inflation in the South African economy. Ensure that your discussion includes the effects on real GDP, price level and employment. (13 Marks)