II. Numerical and Analytical Questions (14 marks) QUESTION 1: (5 Marks) Suppose you have the following macroeconomics data (all units are millions of US dollars). C = 120 + 0.6 * (Y -T). Private Investment, I = 100 Government spending, G = 200 Tax on consumption, T = 150 Net Export, NX = -30 Full employment or potential real GDP: YFP = 1,100 a) Derive the aggregate expenditure equation, AE = do + a1 * (Y -T), where do and a are constants to be determined. Show your work. (1 mark) ) Find the equilibrium level of real GDP (Y) and the multiplier, k. Show your work. (1 mark