The following information is related to Shamrock Co.'s pension plan: 2019 Plan asset (fair value), Dec 31 2,796,000 Defined benefit obligation, Jan 1 2,800,000 Pension asset/ liability, Jan 1 560,000 (Cr) Service cost 240,000 Actual return on plan assets 96,000 Contributions 460,000 Accumulated benefit obligation, Dec 31 2,000,000 Discount (interest) rate 9% 2020 3,396,000 3,292,000 ? 360,000 120,000 480,000 2,200,000 9% Required: a. Explain why Shamrock Co. has pension liability at the beginning and the end of the year! b. Compute the pension expense for 2019 and 2020! c. Prepare the journal entries for both years and explain the journal that you make