Answer:
Letter d is correct. Intermediate goods.
Explanation:
Intermediate goods are those that correspond to the inputs or manufactured goods that are used to give rise to the production of a final good.
Any good that is acquired for the production of another good is considered an intermediate good. Its use occurs by incorporation into a good, or destruction, which is when they are destroyed for a new good to be produced.
Some examples of intermediate goods are: electronic components of a computer, bread baking, production equipment, tools used to produce another good, a car engine and others.