<prompt> Translate the following text to EnglishKampuni za utoaji na gharama za chini kuliko Huduma ya Posta zingetokea kuwahudumia na Huduma ya Posta ingeweza kuwasilisha barua yake isiyo na faida kwao.  <response>: Delivery firms with lower costs than the Postal Service would emerge to serve them and the Postal Service could hand off its unprofitable mail to them. 