Which of the following is a significant problem associated with using GDP and GNI to measure the prosperity of a country's population? Question 60 options: 1) Different countries produce different kinds of goods, making accurate comparisons impossible. 2) They do not account for an economy's exports and imports when determining the total value of goods produced. 3) Some countries have a substantial number of citizens who work abroad while other countries do not. 4) Only the goods that actually enter the society's monetary sector are measured, while the goods produced in the "underground economy" are ignored