What does it mean for a member country of the World Trade Organization to grant "normal trade relations (NTR)" status to other member countries? a) Each member must reduce tariffs (import taxes) on substantially all goods and make trade with all other countries as equitable as possible. b) Each member must set tariffs (import taxes) at the rates specified by the WTO Rate Table for "normal trade relations" (NTR) with developed countries, and eliminate all tariffs for "developing trade relations" (DTR) with developing countries. O c) Each member must treat other members at least as well as it treats the country that receives its most favorable treatment with regard to imports and exports. d) Each member must set tariffs (import taxes) the same for all goods so that no country is charged any more or any less than any other country