Pension data for Sterling Properties include the following: ($in thousands) $112 Service cost, 2021 Projected benefit obligation, January 1, 2021 Plan assets (fair value), January 1, 2021 Prior service cost-ADCI (2021 amortization, $8) Net loss-AOCI (2021 amortization, $1) Interest rate, 6% Expected return on plan assets, 10% Actual return on plan assets, 11% Required: 850 900 80 101 Determine pension expense for 2021. (Enter your answers in thousands. Amounts to be deducted should be indicated with a minus sign.)