On the basis of the given data, estimate the value of Gross Domestic Product at Factor Cost (GDP_FC) : Explain any two precautions to be kept in mind while estimating National Income by the Income method. S. No. | Items | Amount (in Rs. crore) (i) | Private final consumption expenditure | 800 (ii) | Government final consumption expenditure | 700 (iii) | Net imports | 200 (iv) | Gross public investment | 100 (v) | Inventory investment | 50 (vi) | Gross residential construction investment | 300 (vii) | Net indirect taxes | 70 (viii) | Gross business fixed investment | 130 (ix) | Consumption of fixed capital | 20 (x) | Interest | 150 (xi) | Net factor income paid to abroad | 100