Review the chart to answer the question that follows. Total Population GDP Country A 5,000 10,000 Country B 10,000 15,000 Country C 2,000 8,000 Country D 1,000 5,000 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.