How should the admin configure CPQ so users automatically see the desired fields in the Quote Line Editor?

Northern Trail Outfitters has two different user profiles that need to see different Quote Line fields in the Quote Line Editor.

How should the admin configure CPQ so users automatically see the desired fields in the Quote Line Editor?
A . Create two field sets on the Quote object representing each profile, and create a text formula field with the API name HeaderFieldSetName on the Quote object that returns the appropriate field set name based on the user’s profile.
B. Create two field sets on the Quote object representing each profile, and create a text formula field name EditLinesFietdSetName on the Quote object that returns the appropriate field set the user’s profile.
C. Create two field sets on the Quote Line object representing each profile, and create a test formula field sets with the API named EditLinesFieldSetname on the Quote object that returns the appropriate field set name based on the user’s profile.
D. Create two field sets on the Quote Line object representing each profile, and create a test formula field sets with the API named EditLinesFieldSetname on the Quote object that returns the appropriate field set name based on the user’s profile.

Answer: C