how to solve these questions

Z =C+I+G (1) Planned aggregate expenditure Question Co pletion Status: C = co + [ci - s] YD (2) QUESTION 9 Consumption function I =7-s+by - byi (3) Considering the model, calculate equilibrium output (Y*) when the economy is affected by COVID19 as follows: Planned investment s = 0.25 but money supply is increased to - - 8.5 G - G (4) Government expenditure YD = Y - T (5) Disposable income T = T+ty (6) Tax function Y = Z (7) QUESTION 10 Equilibrium Condition Considering the model, calculate equilibrium interest rate (*) when the economy is affected by COVID19 as follows: and money market: - 0.25 but money supply is increased to - - 8.5 L = do + dy -dji (8) Money demand (9) Money supply L = 4 (10) Money market equilibrium QUESTION 11 Using the above model, solve for the equilibrium output ()") when there is no COVID19: ring the model, calculate equilibrium consumption (C") when the economy is affected by COVID19 as follows s = 0, and money supply equals (4) = 5. s = 0.25 but money supply is increased to - - 8.5 QUESTION 12 Considering the model, calculate equilibrium investment (") when the economy is affected by COVID 19 as follows QUESTION Z 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 equil s = 0, and money supply equals () = 5. ption (C") when there is no COVID19 that is: QUESTION 4 Considering the model, calculate equ COVID 19 that is: a = 0, and money supply equals (;) - 5. QUESTION S Considering the model, calculate equabriom output (y"] when the e is affected by COVID19 as follows .-0.25, but money supply remaine at (}!) - 5. QUESTION 6 Considering the model, calculate equilibrium interest rate (i*) when the economy is affected by COVID 19 as follows: s = 0.25, but money supply remains at ( ) = 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 (f*) when the economy is affected by COVID 19 as follows s = 0.25, but money supply remains at () - 5