<prompt> Translate the following text to Swahiliinvestigations according to standards established by the Presidents Council on Integrity and Efficiency PCIE as adapted for GAOs work.  <response>: Utafiti huo ulifanywa kwa mujibu wa viwango vilivyowekwa na Baraza la Rais juu ya Uadilifu na Ufanisi PCIE kama ilivyoendelezwa kwa kazi ya GAO. 