how to solve this

Based on the table below, answer the following questions. RM Compensation of employees 200,000 Disposable personal income 250,000 Gross private domestic investment 20,000 Depreciation 30,000 Transfer payments 40,000 Interest payments by consumers to business 3,000 Net exports 25,000 Net indirect business taxes 5,500 Personal savings 50,000 Net interest 20,000 Personal transfer payments to foreigners 12,000 Government purchases 72,000 Net factor payments to rest of world 4,000 Government transfer payments 64,000 Imports 21,000 a. Calculate Gross Domestic Products (GDP). (6 marks) b. Calculate National Income (NI). (4 marks) S