Actuary and trustee reports indicate the following changes in the PBO and plan assets of Douglas-Roberts Industries during 2021:

Prior service cost at Jan. 1, 2021, from plan amendment at the beginning of 2018 (amortization: $4 million per year) $28 million Net loss?AOCI at Jan. 1, 2021 (previous losses exceeded previous gains) $80 millionAverage remaining service life of the active employee group 10 yearsActuary?s discount rate 7%

Required:1. Determine Douglas-Roberts?s pension expense for 2021, and prepare the appropriate journal entry to record the expense.2. Prepare the appropriate journal entry(s) to record any 2021 gains and losses.3. Prepare the appropriate journal entry to record the cash contribution to plan assets.4. Prepare the appropriate journal entry to record retiree benefits.

($ in millions) Plan PBO Assets $600 $400 Beginning of 2021 Beginning of 2021 Return on plan assets, 8% (10% expected) 80 Service cost 42 32 Interest cost, 7% Loss (gain) on PBO (14) (38) Cash contributions 90 (38) Less: Retiree benefits Less: Retiree benefits $670 $484 End of 2021 End of 2021