The following information pertains to Havana Corporation's defined benefit pension plan: 2021 ($ in thousands) Projected benefit obligation Plan assets Prior service cost-AOCI Net loss-AOCI Beginning balances $(7,400) 7,100 740 2022 Beginning balances $(7,904) 7,736 680 $ 930 $ 860 At the end of 2021, Havana contributed $670 thousand to the pension fund and benefit payments of $734 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 PBO What is the 2021 pension expense for Havana's plan? Multiple Choice $528 thousand. $609 thousand None of these are correct. $729 thousand