<prompt> Translate the following text to SwahiliWhy not give discounts based on cost avoidances promised in a previous rate or classification case but which savings were never captured by the Postal Service?  <response>: Kwa nini kutoa punguzo kulingana na kuepuka gharama aliahidi katika kiwango cha awali au kesi ya uainishaji lakini ambayo akiba walikuwa kamwe kukamatwa na Huduma ya Posta? 