GDP is the total value produced during a particular year.

GDP stands for Gross Domestic Product.

GDP shows the economic strength of a nation.

Gross Domestic Product (GDP) measures the aggregate value of all the final goods and services produced by the primary, secondary and tertiary sector of a country in a financial year within the country's territory. 

GDP does not account for transfer payments, sale of used goods, illegal transactions, intermediate goods etc.

Hence, the correct answer is option B: all final goods and services.