SB392 - AN ACT TO AMEND SECTIONS 2, 3 AND 4 OF ACT 187 OF 1973, AS AMENDED [ARK. STATS. 12-2549.3, 12-2549.4 AND 12-2549.5], TO CHANGE THE TIME PERIOD FROM WHICH INTEREST IS CALCULATED FOR PURCHASED SERVICE CREDIT IN THE PUBLIC EMPLOYEES RETIREMENT SYSTEM; AND FO