Anderson's Running manufactures a hydration belt, which includes two water bottles. These belts are in high demand with runners because of the unique fit of the belt. Anderson's Running produces the hydration belt at its factory, but it purchased the water bottles in bulk from another supplier.

In this scenario, the water bottles are an example of __________ goods and the hydration belt is an example of__________ goods.

• a.) intermediate; final
• b.) final; substitute
• c.) intermediate; substitute
• d.) final; intermediate