Which one of the following statements best describes the time trend of U.S. income inequality over the last several deca

[answerhappygod]

Which one of the following statements best describes the time
trend of U.S. income inequality over the last several decades?
Select one:
a.
Income inequality has been steadily increasing since the late
1940s.
b.
Income inequality has been steadily decreasing since the late
1940s.
c.
Income inequality generally decreased until the late 1960s, and
since then it has been generally increasing.
d.
Income inequality generally increased until the late 1960s, and
since then it has been generally decreasing.
e.
Income inequality has remained relatively constant since the
late 1940s.