Which of the following statements best describes changes in retail and food service jobs from the 1980s through the 1990s? The quality of the jobs has improved slightly, and the quantity of the jobs improved overall. While the quality of jobs created in this period helped push down the unemployment rate, the quantity of jobs created has not improved. While the quantity of jobs created in this period helped push down the unemployment rate, the quality of jobs created has not improved. Both the quality and quantity of jobs improved significantly