Erickson Company sponsors a defined benefit pension plan. The corporation's actuary provides the following information about the plan. (a) Compute the actual return on the plan assets in 2020 . Actual return on the plan assets (a) Compute the actual return on the plan assets in 2020. Actual return on the plan assets (b) Compute the amount of the other comprehensive income (G/L) as of December 31, 2020. (Assume the January 1, 2020, balance was zero.) (Enter loss using either a negative sign preceding the number e.8. 45 or parentheses e.8. (45).) Net pension liability gains and losses (c) Compute the amount of net gain or loss amortization for 2020 (corridor approach). Net gain or loss amortization (d) Compute pension expense for 2020 Pension expense