Please help me solve the question by showing me the calculation of this question. Thank you.

b. The following table shows the national income data of a three - sector economy. Income Tax Disposable Investment Government Aggregate Income Consumption | Saving (Y) (T) ( Yd) (C) (S) Expenditure Demand (I) (G) (AD) 1000 1000 500 250 2500 2000 1000 1250 250 2500 3000 1000 2000 250 2500 4000 1000 2750 250 2500 5000 1000 3500 250 2500 6000 1000 4250 250 2500 7000 1000 5000 250 2500 8000 1000 5750 250 2500 i. Complete the table above by calculating disposable income (Yd), Savings (S) and aggregate demand (AD). [6 marks] ii. Calculate the consumption and savings functions. [4 marks] 111. Calculate the equilibrium income using leakage and injection approach. [5 marks]