The following information pertains to Havana Corporation's defined benefit pension plan: 2021 Beginning 2022 Beginning ($ in thousands) balances balances Projected benefit obligation $(6,600) $(7,104) Plan assets Prior service cost-AOCI 6,360 660 6,936 600 Net loss-AOCI $ 780 $ 846 At the end of 2021, Havana contributed $665 thousand to the pension fund and benefit payments of $654 thousand were made to retirees. The expected rate of return on plan assets was 10% 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?