Question 2.Australia is a small open economy with a flexible (floating) exchange rate system. Use theMundell-Fleming model (i.e. the open-economy IS-LM-IP model) to analyse what willhappen to income, the exchange rate, and the trade balance (net exports) in response to thefollowing shocks. Carefully explain the adjustment process in each case.a) A significant fall in the foreign demand for Australian minerals export.b) The Abbott government implements a fiscal expansion program, other things heldconstant, and the Reserve Bank of Australia keeps the interest rate fixed.