(a) An open macroeconomic model is represented parametrically as follows
Y= C0 +Io+Go+X0-M, M=mo+m1yd,C=co+c1yd, T=tY and Yd=Y-T
(i) Compute the equilibrium income
(ii) Derive any three multipliers
(iii) Interpret the multipliers and explain their significance in policy context