Answer:
3. $72 per person
Explanation:
Formula for calculating GDP per capita = GDP/population.
Therefore for the initial year, GDP per capita = 120 billion/10 million = $1200
For the current GDP per capita = 140 billion/110million = $1272.72
Therefore, increase per capital increased by 1272.72 - 1200
= $72.72.
Calculations show more clearly in the attachment.