Which of the following statements about GDP is correct? Select the correct answer below: GDP is an accurate measure of the standard of living in a country. GDP includes what a country spends on environmental protection, O healthcare, and education, therefore it is a good measure of the levels of environmental cleanliness, health, and learning. Countries with the highest GDPs always have the healthiest citizens. O A limitation of GDP is that it does not measure levels of health, only how much is spent on healthcare