The statement about GDP is correct is GDP excludes positive changes in inventories. The answer is letter A. The GPD of a country or nation is the value of dollar of the total output such as goods and services that is produced within the country in a particular year. For example, the total market value of the total output produced in Korea in 2003 is $700 billion and the total market value of the final output sold is $500 billion, we can conclude that the GDP of Korea in 2003 is $700 billion.
