what are the two most common forms of direct primaries?
a. open and closed
b. internal and external
c. silent and closed
d. public and private

Using only this chart, which step would you take first to compare the standard of living in these countries? add the gdp numbers for the countries to get a total. divide each gdp number by its country's population. subtract each population number from its country's gdp. multiply the population number by the gdp for each country.