Country Real GDP/person Growth Rate NorthCountry 15.468E 1.98% SouthCountry 13.690E 2.03% EastCountry 6.343E 3.12% WestCounty 1.098E 0.61% a. Which country is richest? How do you know? (6 points) b. Which country is advancing most quickly? How do you know? (6 points) c. Which country would probably see the greatest benefit from an increase in capital investment? Why? (6 points) d. Referring to (c): Would this country continue to see the same degree of benefits from an increase in capital investment forever? Why? (6 points) e. If real GDP per person in Northcountry next year is E15.918, what is its annual growth rate? (6 points)