<prompt> Translate the following text to EnglishKuongeza faida ya dawa ya dawa kwa Medicare itakuwa ghali, lakini matokeo ya gharama hatimaye hutegemea chaguzi kuhusu wigo wa faida na ufadhili.  <response>: Adding a prescription drug benefit to Medicare will be costly, but the cost consequences ultimately depend on choices about the benefits scope and financing. 