The following information pertains to Havana Corporation's defined benefit pension plan: ($ in thousands) 2021 Beginning balances 2022 Beginning balances Projected benefit obligation ($6,000) ($6,504) Plan assets 5,760 6,336 Prior service cost-AOCI 600 552 Net loss-AOCI 720 786 At the end of 2011, Havana contributed $696 thousand to the pension fund and benefit payments of $624 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 Havana's 2011 actual return on plan assets