1. is the most common way to measure the standard of living in different countries.
a) gdp per capita
b) nominal gdp
c) real gdp

I believe the correct answer from the choices listed above is option C. Real GDP  is the most common way to measure the standard of living in different countries. It  is a macroeconomic measure of the value of economic output adjusted for price changes. Hope this answers the question.

The state ranks first in the nation in farm cash receipts for tobacco and sweet potatoes; second for poultry and eggs; and third for pork and trout. Along with these commodities, North Carolina's hardworking farmers produce cotton, soybeans, peanuts, hogs and pigs, nursery products, aquaculture products, and more