GDP stands for Gross Domestic Product. What does it show? Pick up the correct statement given below:

(a) It shows how big is the economy of a country in a given year in terms of its total output.

(b) It shows what the total product of a country in a given year without counting the country’s total resources.

(c) It shows the number of people involved in production in a particular year.

(d) It shows the total value of trade trans-actions of a country in a particular year.