COP, SOP, VOP are compounded in order: (1+COP/100)(1+SOP/100)(1+VOP/100) − 1. When you enter an FTA %, that summary rate and the preferential duty use FTA in place of COP; MFN (COP) figures are shown for reference.
Click Calculate after entering COP, SOP, VOP.
Reference only — verify against official tariff / FTA provisions.
