Martinez Co. has the following defined benefit pension plan balances on January 1, 2020. Projected benefit obligation $4,632,000 Fair value of plan assets 4,632,000 The interest (settlement) rate applicable to the plan is 10%. On January 1, 2021, the company amends its pension agreement so that prior service costs of $594,000 are created. Other data related to the pension plan are: 2020 2021 Service cost $152,000 $172,000 Prior service cost amortization 0 89,000 Contributions (funding) to the plan 198,000 184,000 Benefits paid 220,000 281,000 Actual return on plan assets 252,000 349,000 Expected rate of return on assets 6 % 8 %