Which statement distinguishes preferential tariffs from non-preferential tariffs?

Which statement distinguishes preferential tariffs from non-preferential tariffs?

• A. Preferential tariffs are reduced under agreements; non-preferential tariffs are MFN rates applied broadly.
• B. Preferential tariffs apply to all imports; non-preferential tariffs apply only to a subset.
• C. Both are identical in practice.
• D. Non-preferential tariffs are only for domestic goods.

Answer: (A)