How should the Admin customize the layout of the Quote Line Editor, so that the Process picklist appears?

Universal Containers has a custom Quote Line picklist, “Process.” The User will need to set this field for all non-subscription products added to the Quote Line Editor.

How should the Admin customize the layout of the Quote Line Editor, so that the Process picklist appears?
A . Update the EditLinesFieldSetName formula to return “Process” in the returned comma-separated stream.
B . Edit the “Line Editor” field set on the Quote Line object and drag in the “Process” field.
C . Edit the “Quote Line Layout” page and drag the Process field into the “Line Editor” section.
D . Add the “Process” field to the “Line Columns” multi-select picklist on the Salesforce CPQ Installed Package settings.

Answer: B