please help prepare a pension plan for 2020 and 2021

please prepare a pension worksheet

(1). On Jandary 1, 2020, Riverbed Cormpany has the following defined benefit pension plan balances:- The interest (settlement) rate applicable to the plan is 10%. On January 1, 2021. the comgany amends its penslon agreement so that prior service costs of $508,000 are created. Other data related to the pension plan are as follows. (a) Prepare a pension worksheet for the persion plan for 202 land 2021 . (Enter alf amounts as positive)