Refer to the Figure, Which Shows Four Different Lorenz Curves

Multiple Choice

Refer to the figure, which shows four different Lorenz curves (I, II, III, and IV) . The movement from point b to point a in the graph would indicate that the

A) lower 40 percent of households increased their share of total income from 25 percent to 40 percent.
B) lower 40 percent of households decreased their share of total income from 60 percent to 40 percent.
C) lower 60 percent of households decreased their share of total income from 40 percent to 25 percent.
D) lower 40 percent of households increased their share of total income from 40 percent to 60 percent.