Correct Answer: Consumer spending on non-durable goods

Solution : The correct answer is (b) Consumer spending on non-durable goods

Consumer spending on non-durable goods, such as food, clothing, and other consumable items, is included in the calculation of Gross Domestic Product (GDP). GDP measures the total value of goods and services produced within a country's borders in a specific time period. It represents the sum of consumer spending, investment, government spending, and net exports.