The following information pertains to Havana Corporation's defined benefit pension plan: ($ in thousands) Projected benefit obligation Plan assets Prior service cost-AOCI Net loss-AOCI 2021 Beginning balances $(6,500) 6,200 650 2022 Beginning balances $(7,004) 6,836 575 $ 770 836 It the end of 2021. Havana contributed 5736 thousand to the pension fund and benefit payments of $644 thousand were made to retirees. The expected rate of return on plan assets was 10%, and the actuary's discount rate is 7%. There were no changes in actuarial estimates and assumptions regarding the . What is Havana's 2021 gain or loss on plan assets