(i) "Domestic income is always less than national income." Do you agree with the given statement ? Support your answer with valid arguments. (ii) Distinguish between positive externalities and negative externalities with suitable examples. (i) "In a two-sector economy, consumption expenditure by households is always equal to aggregate expenditure on goods and services produced by the firms." Do you agree with the given statement ? Support your answer with valid explanation. (ii) "Problem of Double Counting leads to overestimation of output in an economy." Justify the given statement with the help of suitable example.