Thus, an ad valorem tariff of 15 per-cent on television sets would come to $15 on a set that costs $100 to import and would come to $30 on a set that costs $200 to import.

• 因此，如对电视机征收IS%25的从价关税，若一台电视机的进口价为100美元，征收15美元的关税；若一台电视机的进口价为200美元，则征收30美元的关税。