3. Given the following to be macroeconomic data for Zambia in 2011 Household Consumption Profits Investment Indirect business tax K10,001.3 K8,097.3 K1,589.20 K1,001.10 K1,861.10 Depreciation Government spending Net Foreign Factor income Exports K2,768.70 K146.20 K960 K1,346.4 Imports wages Rents interest income K1,954.70 K292.70 K765.90 (a) Calculate by using the expenditure method (i) Gross Domestic Product, (ii) Gross National Product and (iii) Net National Product. ​