Question 5 a) What do you understand by the term \"Movement along the Aggregate demand curve\". ANSWER a): b) Use four (4) lagging indicators to explain the effects of COVID 19 on the Australia economy. ANSWER b): Question 6 a) Examine 2 monetary policy approaches that the Reserve Bank of Australia can adopt in order to inuence economic activity in the country. ANSWER a): b) Explain the delays associated with implementing countercyclieal monetarty policy. ANSWER b): Question 4 a) In 2022, the Happyland Republic Bureau of Statistics publication indicated that the Consumer Price Index (CPI) increased to 110.2 in 2021 from 105.5 in 2021. Calculate the Happyland Republic's ination rate in 2022. ANSWER a): b) The Happyland Population Secretariat published the following information in 2022: Total population: 30 million Labor force: 85% of the total population Employed population: 23.5 million people Use the information provided to answer the following questions: i. Calculate the population that is excluded from the labour force in Woodland Republic in 2021 and indicate at least 4 sectors that are excluded from labour force. ANSWER b) (i): ii. Calculate the Happyland Republic's unemployment rate in 2022. ANSWER b) (ii)