<prompt> Translate the following text to EnglishIli kuelewa jinsi msukumo wa kodi unavyoathiri akiba ya kitaifa, angalia jinsi punguzo la kodi kwa IRA ya jadi ya kodi ya muda inaweza kuathiri serikali na hatimaye akiba ya kitaifa.  <response>: To gain a better understanding of how tax incentives affect national saving, look at one how a tax deduction for a traditional tax-deferred IRA may affect government and ultimately national saving. 