1. The table shows the income shares monetary in the United States in 1967 Families: El 20% ms bajo, Second 20%, Third 20%, Fourth 20%, El 20% ms alto. Monetary income (percentage of total): 4.0, 10.8, 17.3, 24.2, 43.7. a. What is monetary income? b. Plot the Lorenz curve for the United States at 1967 and compare it with the Lorenz curve of 2007 shown in figure 19.3. c. Is the money income of the United States distributed more equitably or less equitable in 2007 than in 1967? d. Can you give some reasons for the differences in the distribution of monetary income in States United in 1967 and 2007?