Pension data for Sterling Properties include the following: Service cost, 2021 Projected benefit obligations January 1, 2021 Plan assets (fair value), January 1, 2021 Prior service cost AOC (2021 amortization, $8) Hot loss NOCI (2021 amortization, $1) Interest rate, Expected return on plan assets, 13% Actual return on plan assets 14% (5 I thousands) $13 500 600 98 110 Required: Determine pension expense for 2021 (Enter your answers in thousands. Amounts to be deducted should be indicated with a minus sign.) Required: Determine pension expense for 2021. (Enter your answers in thousands. Amounts to be d sign.) Answer is complete but not entirely correct. 138 45 Pension Expense Service cost Interest cost Expected return on plan assets Amortization of prior service cost Amortization of net loss (78) 8,000 $ 4,454 Pension expense $ 12,559