20 NCAC 02B .0904
20 NCAC 02B .0904. COMPUTATION OF COST
The cost of purchasing credit for out-of-state service is calculated as follows:
(1) the monthly compensation the member earned when the member first entered membership; multiplied by
(2) the employee contribution rate at that time; multiplied by
(3) the number of months of out-of-state service for which credit is to be purchased; multiplied by
(4) two; plus
(5) a factor equivalent to interest at the rate of six and one-half percent, compounded annually, from the initial year of membership to the year of payment.