Can you help with the following questions related to macroeconomics? Please, see instructions below.

1. Explain in detail fiscal policy, its function, and its effects on short and long-term economic fluctuations (use the aggregate demand and supply model). 2. Explain each of the tools that exist in expansionary fiscal policy and contractionary fiscal policy. 3. Express in detail the effects of expansionary and contractionary fiscal policy on income and the price level. 4. Using the premise below, argue about the intervention of fiscal policy as an instrument to promote growth, sustainability, and economic stability in a country. (Offer a detailed example). Premise: Faced with unstable economic growth due to a recession or accelerating inflation, the potential problems of large public debt include higher income inequality, reduced economic incentives, and crowding out of private investment