Answer:
A. increased from $11,500 to $12,550.
Step-by-step explanation:
The standard of living based on real GDP per person can be determine by calculating the Real GDP / Population size
Real GDP per capita in 1959 = $575 billion / 50 million = $11,500
Real GDP per capita in 2009 = $1255 billion / 100 million = $12,550
From observation, Real GDP per person increased from $11,500 to $12,550.