Required information Problem 17-16 Comprehensive-reporting a pension plan; pension spreadsheet; determine changes in balances; two years [L017-3, 17-4, 17-5, 17-6, 17-7, 17-8] (The following information applies to the questions displayed below.) Actuary and trustee reports indicate the following changes in the PBO and plan assets of Lakeside Cable during 2018: Prior service cost at Jan. I, 2018, from plan amendment at the beginning of 2016 (amortization: $5 million per year) Net losspensions at Jan. I, 2018 (previous losses exceeded previous gains) Average remaining service life of the active employee group Actuary's discount rate (S in millions) Beginning of 2018 Service cost Interest cost, 8% Loss (gain) on PSO Less: Retiree benefits End of 2018 $25a 48 (3) Beginning of 2018 Return on plan assets, 8.0% (10% expected) Cash contributions Less: Retiree benefits End of 2018 $37 million $55 million 10 years PI an Assets $15a $25a