<prompt> Translate the following text to SwahiliThis would allow an estimate of the effect on international postage rates of shifting to domestic postage-based terminal dues in the exchange of mail between industrialized countries.  <response>: Hii itawezesha makadirio ya athari juu ya viwango vya posta ya kimataifa ya kuhamia kwa kodi ya mwisho ya posta ya ndani katika kubadilishana barua kati ya nchi za viwanda. 