An Increasing Fraction of Jobs in the U

An increasing fraction of jobs in the U.S.labor market _____

A) pay workers on the basis of the bargaining power of labor unions.
B) are designed to employ retired people.
C) are reserved for widows with young children.
D) pay workers for their productivity using bonus pay and commissions.
E) reward workers on the basis of the number of years they work in a company.