Step 1. The annual retirement benefit payable to the member upon his or her early retirement date shall be calculated in accordance with the governing provisions of the Maine State Retirement System statutes and rules.
Step 2. The annual retirement benefit that would be payable to the member on a fully actuarially reduced basis shall be calculated in accordance with the actuarial equivalent early retirement reduction factors prescribed by the System's consulting actuary and approved by the Board of Trustees.
Step 3. The retirement benefit calculated in Step 2 shall be subtracted from the retirement benefit calculated in Step 1.
Step 4. A present value factor shall be applied to the amount determined in Step 3 to convert the annual benefit amount to a lump sum present value dollar amount. This amount represents the additional actuarial cost resulting from the early retirement of a member who has been offered a retirement incentive.
94- 411 C.M.R. ch. 302, § 4