; (2) in clause (ii), by striking and at the end; (3) in clause (iii), by adding and at the end; and (4) by inserting after clause (iii) the following new clause: (iv) 5 percent of the individual’s surplus average indexed monthly earnings, . (c) Basic AIME and surplus AIME (1) Basic AIME Section 215(b)(1) of such Act ( 42 U.S.C. 415(b)(1) ) is amended— (A) by inserting basic before average ; and (B) in subparagraph (A), by striking paragraph (3) and inserting paragraph (3)(A) and by inserting before the comma the following: to the extent such total does not exceed the contribution and benefit base for the applicable year . (2) Surplus AIME (A) In general Section 215(b)(1) of such Act (as amended by paragraph (1)) is amended— (i) by redesignating subparagraphs (A) and (B) as clauses (i) and (ii), respectively; (ii) by inserting (A) after (b)(1) ; and (iii) by adding at the end the following new subparagraph: (B) (i) An individual’s surplus average indexed monthly earnings shall be equal to the quotient obtained by dividing— (I) the total (after adjustment under paragraph (3)(B)) of such individual’s surplus earnings (determined under clause (ii)) for such individual’s benefit computation years (determined under paragraph (2)), by (II) the number of months in those years. (ii) For purposes of clause (i) and paragraph (3)(B), an individual’s surplus earnings for a benefit computation year are the total of such individual’s wages paid in and self-employment income credited to such benefit computation year, to the extent such total (before adjustment under paragraph (3)(B)) exceeds the contribution and benefit base for such year. . (B) Conforming amendment The heading for section 215(b) of such Act is amended by striking Average Indexed Monthly Earnings and inserting Basic Average Indexed Monthly Earnings