<prompt> Translate the following text to EnglishMabadiliko ya lag husambaza vifo kwa miaka mitano 25 katika kila mwaka wa kwanza na 17 kwa kila mwaka uliobaki na discount faida za vifo katika kipindi hiki kwa kiwango cha asilimia 3.  <response>: The lag adjustment distributes the mortality incidence over five years 25 percent in each of the first two years, and 17 percent for each of the remaining years and discounts mortality benefits over this period at a rate of three percent. 