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 $(6,100) 5,800 610 $ 730 2022 Beginning balances $(6,604) 6,436 575 $ 816 At the end of 2021, Havana contributed $715 thousand to the pension fund and benefit payments of $624 thousand were made to retirees. The expected rate of return on plan assets was 11%, and the actuary's discount rate is 8%. There were no changes in actuarial estimates and assumptions regarding the PBO. What is the 2021 pension expense for Havana's plan