United States income equality

In this case study, you do research on the income inequality in the US. The results of this assignment should be reported in a 4-6-page, APA-formatted paper, including the following information:

1.    Present a snapshot of income inequality in the USA.
2.    Discuss a few factors that have contributed to income inequality in the USA for the past few decades.
3.    What can be done to reverse that trend?
4.    Provide an analysis of the concepts presented that demonstrates and summarizes the various factors that influence competitive markets and how these factors relate to income inequality.