In general
Subject to subparagraph (B), the monthly adjustment amount specified in this paragraph for an individual for a month in a year is equal to the product of the following:
(i) Sliding scale percentage
(i)Sliding scale percentage#
Subject to paragraph (6), the applicable percentage specified in the applicable table in subparagraph (C) for the individual minus 25 percentage points.
(ii)Unsubsidized part B premium amount#
(I) 200 percent of the monthly actuarial rate for enrollees age 65 and over (as determined under subsection (a)(1) for the year); plus
(II) 4 times the amount of the increase in the monthly premium under subsection (a)(6) for a month in the year (or, with respect to an individual enrolled under section 1395 o (b) of this title and not otherwise enrolled under this part, 0 times the amount of such increase).
(ii)(I)#
200 percent of the monthly actuarial rate for enrollees age 65 and over (as determined under subsection (a)(1) for the year); plus
(ii)(II)#
4 times the amount of the increase in the monthly premium under subsection (a)(6) for a month in the year (or, with respect to an individual enrolled under section 1395 o (b) of this title and not otherwise enrolled under this part, 0 times the amount of such increase).