In the product method for measurement of national income, we need to deduct the value of intermediate goods to ______.

avoid double counting 

- In the product method for the measurement of national income, we deduct the value of intermediate goods to avoid double-counting.

- The product method, also known as the value-added method, calculates the national income by summing up the value-added at each stage of production in the economy. Value-added refers to the increase in the value of goods or services that occurs at each stage of the production process.

- During the production of goods and services, intermediate goods are used to produce the final goods or services. These intermediate goods have already been included in the value of the final goods. If we were to count the value of intermediate goods again when calculating national income, it would lead to double-counting, artificially inflating the total national income.

- To prevent this double-counting, we deduct the value of intermediate goods from the total value of goods and services produced in the economy. By doing so, we only include the value-added at each stage of production, ensuring an accurate measurement of the country's national income.