(a) How is the real GDP measured? (b) How can we arrive at the other measures of income in the national income accounts from the Gross Domestic Product, namely Gross National Product (GNP), Net...

(a) How is the real GDP measured?

(b) How can we arrive at the other measures of income in the national income accounts from the Gross Domestic

Product, namely Gross National Product (GNP), Net National Product (NNP) and National Income (NI)?