Based on the graph below, which of the following would be true using the dual labor market theory?

Women in the workforce continue to increase, but they do not earn as much as males because they work in lower-paying positions.

Increasing numbers of working mothers is based on the need for two paychecks in households with children.

Women continue to enter the workforce in larger numbers for higher pay as pay structures equalize for males and females.

Higher numbers of women in the workforce replace men in the workforce, making them the higher-wage earners