Which of the Following Does the Long-Run Phillips Curve Tell

Multiple Choice

Which of the following does the long-run Phillips curve tell us?

A) That output can be below potential in the long run
B) That the unemployment rate can take on any value in the long run
C) That output can be maintained above potential in the long run
D) That unemployment will return to the natural rate in the long run
E) That the inflation rate cannot rise above 10 percent in the long run.