A closed economy is described by the following behavioural equations: C = co + C1YD T = to + t1Y YD = Y- T where co = 480, c1 = 0.5, to = 80, t1 = 0.25, G = 120 and I = 50. When the government reduces to by 10, how much does the equilibrium output, Y*, change? O a. All of the answers here are incorrect O b. -16 O c. 8 O d. 16 O e. 20