In 1959, real GDP totaled $575 billion and in 2009 it totaled $1,255 billion. Between 1959 and 2009, the population increased from 50 million to 100 million. Between 1959 and 2009, the standard of living based on real GDP per person
A increased from $11,500 to $12,550.

B increased by about 118 percent.

C increased by over 300 percent.

D decreased from $125,500 to $28,750.

E decreased by 9 percent.