<prompt> Translate the following text to EnglishKupungua kwa vifo kwa asilimia 40 chini ya makadirio ya mbadala na tofauti katika tathmini ya vifo vya mapema na bronchitis ya muda mrefu huelezea tofauti ya faida kati ya mbinu hizi mbili.  <response>: The 40 percent reduction in mortality under the Alternative Estimate and the difference in valuation of premature mortality and chronic bronchitis explain the difference in benefits between these two approaches. 