We now learn that Switzerland has a population of 8 million people, while the United States has a population of 326 million people. How could you better scale the numbers to compare their standards of living? One option is to: a.) multiply each country's GDP by their population to get GDP per person, then compare these new figures. b.) ignore this information. This new piece of information does not help us compare standards of living. c.) add the GDP figures together, then divide by total population. d.) divide each country's GDP by their population to get GDP per person, then compare these new figures