. a.) From the following data, calculate national income by income method( 5 mks) Items (Units of m) 1.Compensation of employees 800 2.Mixed income of self-employed 900 3.Net factor income from abroad - 50 4.Rent 350 5.Profit 600 6.Consumption of fixed capital 200 7.Net indirect taxes 250 8.Interest 450 9.Operating Surplus 1400