<prompt> Translate the following text to EnglishIngawa mapungufu kwa walipa kodi wenye mapato ya chini yanaonekana kutoa ongezeko kubwa la usaidizi wa kitaifa kwa sababu ni ya gharama nafuu kwa serikali, pia hutoa motisha kidogo kwa familia zenye mapato ya chini kuokoa.  <response>: Although deductions for lower-income taxpayers appear to yield a greater net increase in national saving because they are less costly for the government, they also offer relatively less incentive for lowerincome families to save. 