Which Tax Schedule Basis should be used if your business is primarily from mail order or catalog?

Which Tax Schedule Basis should be used if your business is primarily from mail order or
catalog?

A.
Assign tax schedules on a per item basis

B.
Assign tax schedules on a per item basis with the Default item tax group set to a localized tax

C.
Assign tax schedules on a per customer basis

D.
None (do not configure the Tax Schedule Basis)