Exercise 17-21 (Algo) Determine pension expense; prior service cost [LO17-6, 17-7] Lacy Construction has a noncontributory, defined benefit pension plan. At December 31, 2021, Lacy received the following information: Projected Benefit obligation (5 in millions) Balance, January 1 $ 840 Service cost 76 Prior service cost Interest cost(5.0%) 42 Benefits paid (27) Balance, December 31 $ 909 28 390 Balance, January 1 Actual return on plan assets Contributions 2021 Benefits paid Balance, December 31 76 (77) $ 432 The expected long-term rate of return on plan assets was 10%. There were no AOCI balances related to pensions on January 1, 2021. At the end of 2021, Lacy amended the pension formula creating a prior service cost of $28 million Required: 1. Determine Lacy's pension expense for 2021. 2. Prepare the journal entry(s) to record Lacy's (a) pension expense, (b) gains or losses, (c) prior service cost, (d) funding, and (e) payment of retiree benefits for 2021