Figure: Unemployment Rate Over Time

Figure: Unemployment Rate over Time
(Figure: Unemployment Rate over Time) Look again at the figure Unemployment Rate over Time.In the time-series graph, as we move from 1991 to 1993, we see that the unemployment rate has:
A.decreased from approximately 5% to approximately 4%.
B.increased from approximately 5.5% to approximately 7%.
C.decreased from approximately 7.8% to approximately 5%.
D.increased from approximately 4% to approximately 6.3%.