how to solve these

Z =C+I+G (1) Planned aggregate expenditure Ques oletion Status: C =c+[c - s]YD (2) QUESTION 9 Consumption function 1 =7-s+by -byi (3) Considering the model, calculate equilibrium output (") when the economy is affected by COVID19 as follows: Planned investment s = 0.25 but money supply is increased to = = 85 G - G (4) Government expenditure YD = Y - T (5) Disposable income T = T+ty (6) Tax function Y = Z (7) Equilibrium Condition QUESTION 10 Considering the model, calculate equilibrium interest rate (*) when the ec onomy is affected by COVID 19 as follows: and money market: s = 0.25 but money supply is increased to = = 8.5 L = do + djY -dji (8) Money demand (9) Money supply L = 4 (10) Money market equilibrium QUESTION 11 Using the above model, solve for the equilibrium output (1") when there is no COVID19: ring the model, calculate equilibrium consumption (C") when the s = 0.25 but money supply is increased to = = 8.5 ed by COVID 19 as follows: s = 0, and money supply equals (#) = 5. QUESTION 12 QUESTION Z Considering the model, calculate when the economy is affected by COVID19 as follows s = 0.25 but money supply is increased to - - 8.5 Considering the model, calculate equilibrium interest rate (i") when there is no COVID19 that is s = 0, and money supply equals () = 5. QUESTION 3 Considering the model, calculate equilibrium consumption (C") when there is no COVID 19 that is: s = 0, and money supply equals () = 5. QUESTION 4 Comidering the model, calculate equa there is no COVID19 that is a = 0, and money supply equals (}) - 5. QUESTION S Considering the model, calculate equabrium output (Y") when the economy is affects .-015, but money supply remains at (") - 5. QUESTION 6 Considering the model, calculate equilibrium interest rate (i*) when the economy is affected by COVID19 as follows: s = 0.25, but money supply remains at (y) = 5. QUESTION 7 Considering the model, calculate equilibrium consumption (C") when the economy is affected by COVID19 as follows: s = 0.25, but money supply remains at () = 5. QUESTION & Considering the model, calculate equilibrium investment (") when the economy is affected by COVID 19 as follows: s = 0.25, but money supply remains at (4) - 5