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 $ (7,600) 7,300 760 2022 Beginning balances $(8,104) 7,936 720 $ 960 $ 880 At the end of 2021, Havana contributed $600 thousand to the pension fund and benefit payments of $754 thousand were made to retirees. The expected rate of return on plan assets was 12%, and the actuary's discount rate is 8%. There were no changes in actuarial estimates and assumptions regarding the PBO. What is the 2021 service cost for Havana's plan? Multiple Choice $530 thousand $650 thousand $408 thousand Cannot be determined from the given information