The following information pertains to Havana Corporation's defined benefit pension plan: ($ in thousands) Projected benefit obligation Plan assets Prior service cost-AOCI 2021 Beginning balances $(7,100) 6,800 710 2022 Beginning balances $(7,604) 7,436 660 Net loss-AOCI $ 830 $ 900 At the end of 2021, Havana contributed $680 thousand to the pension fund and benefit payments of $704 thousand were made to retirees. The expected rate of return on plan assets was 11%, and the actuary's discount rate is 7%. There were no changes in actuarial estimates and assumptions regarding the PBO. What is the 2021 pension expense for Havana's plan? What is the 2021 pension expense for Havana's plan? Multiple Choice None of these are correct. $528 thousand. $616 thousand O $692 thousand. O