Actuary and trustee reports indicate the following changes in the PBO and plan assets of Mahomes Industries during 2024: Prior service cost at January 1, 2024, from plan amendment at the beginning of 2021 (amortization: $20 million per year) Net loss-AOCI at January 1, 2024 (previous losses exceeded previous gains) Average remaining service life of the active employee group Actuary's discount rate ($ in millions) $ 140 million $ 720 million 10 years 7% PBO Plan Assets Beginning of 2024 $ 2,200 Beginning of 2024 Service cost 112 Return on plan assets, 8% (10% expected) Interest cost, 7% 154 Loss (gain) on PBO (30) Cash contributions Less: Retiree benefits (78) _Less: Retiree benefits End of 2024 $ 2,366 End of 2024 $ 2,000 160 106 (70) $ 2,196 Required: 1-a. Determine Mahomes's pension expense for 2024. 1-b, 2. to 4. Prepare the appropriate journal entries to record the pension expense, to record any 2024 gains and losses, to record the cash contribution to plan assets and to record retiree benefits.