Based on research in adjacent nations, in the country of Terranullis, when per capita income is $7,500 (USD) it is predicted that about 25% of the population will buy a smartphone. When per capita income is $10,000 (USD) it is predicted that about 40% of the population will buy a smartphone. Based on 2020 PER CAPITA GDP USD and predicted annual PER CAPITA GDP GROWTH RATE, how many years will it take to reach these two (2) milestones?

Q 7) GDP Growth
2020 PER CAPITA GDP USD			$ 5,250.00
PER CAPITA GDP GROWTH RATE			12.24%