Retrieve the following data from The World Bank database

http://databank.worldbank.org/data/home.aspx

for India, Spain, and South Africa for the most recent year available:

GDP in constant international dollars or PPP

Population

GDP per person in constant international dollars

Mortality rate, infant (per 1,000 live births)

Health expenditure per capita (current U.S. dollars)

Life expectancy at birth, total (years)

Using the data above, answer the following questions.

a) chart that compares India, Spain, and South Africa based on the data you find. Describe the key differences between the countries. Rank these as high-, medium-, and low-income countries, explain what is surprising or expected about this data.

b)Use the Rule of 72 to estimate how long it will take for India, Spain, and South Africa to double their standards of living.