<prompt> Translate the following text to EnglishGAO imefanya kazi kwa bidii kufanya mabadiliko kutoka kwa mazingira ya uhasibu na ukaguzi wa kabla ya kuwa shirika la uhasibu na huduma za kitaaluma la mbalimbali, la kitaaluma.  <response>: GAO has worked hard to make the transition from an accounting and preaudit environment to become a diversified, multidisciplinary accountability and professional services organization. 