Answer all the questions. Make your answers brief and to the point [particularly for the essayr question). Use diagrams where necessary (and be sure to label the diagrams properly]. Showr all calculations. (There are 100 points in the exam). 1. Suppose a country has the following income distribution: Income Number of Average Class Families Income 1. 6,000 $20,000 2. 4,000 "10,000 A. Draw the Lorenz curve (show all computations). [5 points] B. Suppose a proportional tax of 10% is levied. Draw the new Lorenz curve (show all computations). [5 points] C. Suppose a progressive tax of 10% is imposed on Income Class 1 and a tax of 30% is imposed on Income Class 2. Draw the new Lorenz curve (show all computations). [5 points] D. Suppose a regressive tax of 30% is imposed on Income Class 1 and a tax of 10% is imposed on Income Class 2. Draw the new Lorenz curve (show all computations). [5 points]