Lacy Construction has a noncontributory, defined benefit pension plan. At December 31, 2021, Lacy received the following information: Projected Benefit Obligation Balance, January 1 Service cost Prior service cost Interest cost(6.0%) Benefits paid Balance, December 31 ($ in millions) $ 600 64 16 36 (47) $ 669 Plan Assets Balance, January 1 Actual return on plan assets Contributions 2021 Benefits paid Balance, December 31 ($ in millions) $ 270 29 64 (47) $ 316 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 $16 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. Complete this question by entering your answers in the tabs below. Required 1 Required 2 Determine Lacy's pension expense for 2021. Pension expense million Required 1 Required 2 >