<prompt> Translate the following text to EnglishPunguzo la posta ni wakati wa kukodisha au mshindani kufanya kazi ya posta na kufanya kazi hiyo kwa njia sawa na huduma ya posta.  <response>: The discount is given when the mailer or competitor does some of the postal work and does it in essentially the same way as the postal service would do the work. 