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Exercise 20-2 Buffalo 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 $ 89,800 107,000 10,700 65,200 40,100 647,500 707,800 147,500 9% Compute the pension expense for the year 2017. Pension expense for 2017