The field that Duncan is not going to have to fill that is not used for non inventory products would be all of the options in the question.
What is inventory?
This is a term that has to do with the stock of goods that a company or a business has.
The purpose of the inventory is in oerder for the business to resale the stock. All of the options in the question are used for inventory.
Read more on inventory here: https://brainly.com/question/24868116
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