Pension data for Sterling Properties include the following: Service cost, 2021 Projected benefit obligation, January 1, 2021 Plan assets (fair value), January 1, 2021 Prior service cost-AOCI (2021 amortization, $9) Net loss-AOCI (2021 amortization, $2) Interest rate, 84 Expected return on plan assets, 128 Actual return on plan assets, 138 ($ in thousands) $113 750 800 81 102 Required: Determine pension expense for 2021. (Enter your answers in thousands. Amounts to be deducted should be indicated with a minus sign.) Pension Expense Pension expense