Indigo Inc. provides the following information related to its postretirement benefits for the year 2017. Accumulated postretirement benefit obligation at January 1, 2017 $779,000 Actual and expected return on plan assets 34,000 Prior service cost amortization 21,000 Discount rate 11 % Service cost 80, 600 Compute postretirement benefit expense for 2017. Postretirement benefit expense $ ____