QUESTION 2 Given is the information of a foursector economy of a country. Malaya. All values are in RM million. Consumption (C) Investment (I) Taxes (T) Government spending (G) Net Export a) b) d) 150 + 0.8Yd 100 60 300 200 ll H II II II Derive the saving function after tax. (2 marks) Calculate the national income equilibrium for the above economy. (3 marks) If the full-employment income is RMSJOOO. what is the problem faced by the above economy? Illustrate graphically. (3 marks) State any two (2) uses of measuring national income. (2 marks)