<prompt> Translate the following text to EnglishIkiwa walikuwa katika safu ya chini ya kodi, kupunguzwa kwao kungegharimu serikali 600 na kuongeza 3,400 kwa akiba ya kitaifa.  <response>: If they were in the lowest tax bracket, their deduction would cost the government 600 and add as much as 3,400 to national saving. 