Answer:
Among the options given on the question the correct answer is option B.
The secondhand sale of used goods .
Explanation: GDP is the Gross Domestic Product of a country which means the total production of a nation. GDP is counted annually.
The GDP is the addition result of the consumption,investment,government purchase and the result of export minus from import.So the GDP indicates the growth of the economy of a nation.But the production or sale of every product is not counted in the GDP.
Like as the things produced outside of the country, the secondhand sales of used goods, production of a intermediate product which is used in the final product, illegal products sell which is called as the black market.
So, the option 'The secondhand sell of used goods 'is the answer.