an analysis of the following: (1) How the variations among such policies impacts Medicare beneficiaries’ choices. (2) Ways to improve standardization and tools to help Medicare beneficiaries make informed choices with respect to such policies. (3) Other items determined appropriate by the Comptroller General. (b) Report Not later than 2 years after the date of the enactment of this Act, the Comptroller General shall submit to Congress a report on the study conducted under subsection (a), together with recommendations for such legislation and administrative action as the Comptroller General determines appropriate.