<prompt> Translate the following text to EnglishMabadiliko hayo yataruhusu kupunguzwa kwa kiasi kikubwa katika utata wa viwango na katika utata wa mifumo ya data, ambayo kwa upande wake itaruhusu maboresho katika gharama na kiasi kwa ajili ya subclasses iliyobaki.  <response>: The above changes would allow substantial reductions in the complexity of rates and in the complexity of the data systems, which in turn would allow improvements in the costs and volumes for the subclasses that remained. 