<prompt> Translate the following text to EnglishKatika mkutano wa bunge wa Oktoba mwaka jana, Ofisi ya Uhasibu ya Jenerali ilitoa makadirio ya huduma ya posta ya athari ya kuelekezwa kwa barua ya darasa la kwanza - bili na malipo - kwa teknolojia mpya.  <response>: Last October there was a congressional hearing at which the General Accounting Office presented unverified Postal Service estimates of the impact of the diversion of First--Class mail---bills and payments---to new technologies. 