<prompt> Translate the following text to SwahiliSecond, mailers of some volume may be in position to take advantage of this discount without the help of a presort bureau or mailing firm.  <response>: Pili, mailers ya kiasi fulani inaweza kuwa katika nafasi ya kuchukua faida ya punguzo hili bila msaada wa ofisi ya presort au kampuni ya posta. 