Assume real per capita GDP in North Metropolania is $4000 while in East Vice City it is $1000. The annual growth rate in North Metropolania is 2.33%, while in East Vice City it is 7%. How many years will it take for East Vice City to catch up to the real per capita GDP of North Metropolania?
Choose one:
A. about 10 years
B. about 30 years
C. about 40 years
D. about 120 years
E. East Vice City will never be able to catch up with North Metropolania.