Problem: When looking at the Harmonized Tariff Schedule, there are three different Rates of Duty (i.e., tariff rates). "Special" rates are where rates based on trade agreements are listed. Another is the default when there are no "general" or "special" rates. What rate does "general" represent? Options: A) allied countries B) NAFTA C) USMCA D) most-favored nations E) key trading partners