In the United States, Between 1959 and 2009, There Has

Multiple Choice

In the United States, between 1959 and 2009, 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.