Final goods or services used to compute GDP refer to: the value of outstanding shares of stock of manufacturing firms. the value of outstanding shares of stock of manufacturing firms. the factors of production used to produce output. the factors of production used to produce output. goods and services at the final stage of production they have reached during the year.

goods and services at the final stage of production they have reached during the year.

Explanation:

Gross Domestic Products (GDP) is a measure of the total market value of all finished goods and services made within a country during a specific period.

Simply stated, GDP is a measure of the total income of all individuals in an economy and the total expenses incurred on the economy's output of goods and services in a particular country. Also, gross domestic products (GDP) is a measure of the production levels of any nation.

Basically, the four (4) major expenditure categories of GDP are consumption (C), investment (I), government purchases (G), and net exports (N).

Hence, the gross domestic products (GDP) of a country is computed using final goods or services, which simply are goods and services at the final stage of production they have reached during the year.

In conclusion, the goods or services that are purchased by consumers (end users) are typically used for computing final goods or services.

answer; (a) calling people who have not shown interest in the product and asking them to buy it;