; and (B) any other methods and assumptions, including a health care cost trend rate, that the Director of the Office determines to be appropriate. ; and (E) by adding at the end the following: (7) In this subsection, the term Postal Service actuarial liability means the difference between— (A) the net present value of future payments required to be paid from the Postal Service Retiree Health Benefits Fund under section 8906(g)(2)(A)(ii)(I) for current and future United States Postal Service annuitants; and (B) the net present value as computed under paragraph (1) attributable to the future service of United States Postal Service employees. (8) For purposes of computing an amount under paragraph (1) or (7)(A), subclause (I) of section 8906(g)(2)(A)(ii) shall be applied without regard to the limit in such subclause with respect to the amount contained in the Fund.