Beale Management has a noncontributory, defined benefit pension plan. On December 31, 2018 (the end of Beale's fiscal year), the following pension-related data were available: Projected Benefit obligation Balance, January, 2018 Service cost Interest cost, discount rate, 5% Gain due to changes in actuarial assumptions in 2018 Pension benefits paid Balance, December 31, 2018 $ 480 82 24 (10) (40) $ 536 (S in mi11ions) 500 Balance, January 1,2018 Actual return on plan asset (Expected return on plan assets, $45) Cash contributions Pension benefits paid Balance, December 31, 2018 40 70 570 (40) January 1, 2018, balances: S in millions) Pension asset Prior service cost-AOCI (amortization $8 per year) Net gain-AOCI (any amortization ove r 15 years) s 20 48 80