Calculate national income from the following data:
(i) Gross domestic capital formation 100
(ii) Net change in stocks 10
(iii) Consumption of fixed capital 20
Private final consumption expenditure 500
(v) Government final consumption expenditure 200
(vi) Exports 80
(vii) Imports 70
(Viii) Net indirect tax 60
(ix) Net factor income received from abroad. (-)10.