Exercise 20-2 Oriole Company provides the following information about its defined benefit pension plan for the year 2017. Service cost Contribution to the plan Prior service cost amortization Actual and expected return on plan assets Benefits paid Plan assets at January 1, 2017 Projected benefit obligation at January 1, 2017 Accumulated OCI (PSC) at January 1, 2017 Interest/discount (settlement) rate $90,600 103,900 10,100 63,100 39,600 644,100 710,600 149,400 9% Compute the pension expense for the year 2017 Pension expense for 2017