(4)
Whenever the Secretary carries out an actuarial valuation under paragraph (1), the Secretary shall include as part of such valuation the following:
(A)
A determination of a single level percentage determined in the same manner as applies under subparagraph (A) of paragraph (1), but based only upon the provisions of sections
1413a and
1414 of this title.
(B)
A determination of a single level percentage determined in the same manner as applies under subparagraph (B) of paragraph (1), but based only upon the provisions of sections
1413a and
1414 of this title.
Such single level percentages shall be used for the purposes of subsection (b)(3).