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 $(7,200) 6,900 720 2022 Beginning balances $(7,704) 7,536 640 $ 840 $ 880 At the end of 2021, Havana contributed $720 thousand to the pension fund and benefit payments of $714 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 PBO. What is the 2021 pension expense for Havana's plan? Multiple Choice $688 thousand. None of these are correct. $628 thousand. $700 thousand