Donegal C 3-5 Carrick Rangers
Carrick may be returning to the Championship but they finished the season on a high at Suffolk Road.
Chris Murray's header put Rangers ahead but DC levelled through Paul McVeigh's free-kick before Paul Heatly and Kevin Lynch netted for the visitors.
Johnny Addis made it 4-1 soon after the break but Darren McNamee give the hosts hope when he netted on 62 minutes.
Shane Dolan nodded in to restore the three-goal gap before Patrick McIlvenny netted a late consolation for DC.