For which purpose can you use the product type in SAP S/4HANA? Please choose the correct answer.

For which purpose can you use the product type in SAP S/4HANA? Please choose the correct answer.
A . To define whether a material type is a material or a service
B . To enable the grouping of similar expenditure items
C . To define whether the material number can be assigned internally or externally
D . To enable the grouping of similar materials

Answer: A