Data on the distribution of income among individuals and families in the United States indicate that

a.much of the inequality in annual income emanates from differences in education, age, hours worked, and family size.b.the rich stay rich and the poor stay poor from one generation to another.c.the difference in annual income emanating from ownership of capital assets is the major source of economic inequality.d.the power of labor unions and corporations is the major determinant of income inequality.