Country A is $25,000 and County B is $4,000 per capita GDP in 2010. the rate of economic in county A is 3% and counrty B is 2% 1. uppose the growth rate of A country is constant. How fast does the income gap level($21,000 difference) at this point need to grow to become that income gap level in 2030? 2. Suppose the growth rate of country B is 6%, how many years does it take to bridge the income gap