<prompt> Translate the following text to SwahiliOne criticism of our tax system is its use not merely to raise revenue but to encourage social policy, as in the deduction for mortgage interest or charitable contributions.  <response>: Mmoja wa upinzani wa mfumo wetu wa kodi ni matumizi yake si tu kuongeza mapato lakini kuhamasisha sera ya kijamii, kama katika kupunguzwa kwa riba ya mkopo wa nyumba au msaada wa misaada. 