Suppose two countries, Ystan and Zstan start off having the same average per capita (per person) income of $25,000 a How large will Ystan’s income be in 20 years if the country grows at a rate of 23%...

Suppose two countries, Ystan and Zstan start off having the same average per capita (per person) income of $25,000

a How large will Ystan’s income be in 20 years if the country grows at a rate of 23% per year?

b How large will Zstan’s income be in 20 years if the country grows at a rate of 52% per year?

c Ceteris paribus, how many years will it take for each country to double its income if it grows at the same constant rate?

d What would happen if Ystan to the doubling time if Ystan start going at 15% per year?