I need help with the question below.

5. Consider the following dynamic model of an economy: at ut_1 = U_5 (9y); 3%) [Okunis laws]) in arrFl = U_25 (u; 5%) [Phillips curve] and 99.3 = 5% 'J'Tt [Aggregate demand]. (a) In period 0] the economy is in a mediumrun equilibrium. \"That are the rates of unemployment (on), output growth (9M) and ination (710) in the mediumrun equilibrium? {3 points) (b) In period 1, the mediumrun growth rate of output drops to 1%. Find period 1 rates of unemployment (11,1) and ination (771). (5 points) ((3) \"That are the newT mediumrun rates of unemployment and ination corresponding to 1% mediumrun growth rate of output? [2 points}