; (4) by inserting after paragraph (9) (as so redesignated) the following: (10) Hourly rate for mission-direct program salaries and benefits for the Nuclear Reactor Safety Program The term hourly rate for mission-direct program salaries and benefits for the Nuclear Reactor Safety Program means the quotient obtained by dividing— (A) the full-time equivalent rate (within the meaning of the document of the Commission entitled FY 2022 Final Fee Rule Work Papers (or a successor document)) for mission-direct program salaries and benefits for the Nuclear Reactor Safety Program (as determined by the Commission) for a fiscal year; by (B) the productive hours assumption for that fiscal year, determined in accordance with the formula established in the document referred to in subparagraph (A) (or a successor document).