In the United States, Between 1961 and 2011, There Has

Multiple Choice

In the United States, between 1961 and 2011, there has been i) a consistent , non-changing growth rate of potential GDP per person.
Ii) an increase in the standard of living based on real GDP per person.
Iii) fluctuations in real GDP per person around potential GDP per person.

A) ii only
B) i, ii and iii
C) i and ii only
D) ii and iii
E) i only