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Exercise 20-20 (Part Level Submission) Martinez Co. provides the following information about its postretirement benefit plan for the year 2020. Service cost Contribution to the plan Actual and expected return on plan assets Benefits paid Plan assets at January 1, 2020 Accumulated postretirement benefit obligation at January 1, 2020 Discount rate $47,500 10,300 9,900 21,900 107,600 350,700 10 % Assignment page (a1) Prepare a worksheet inserting January 1, 2020, balances, and showing December 31, 2020, balances. (Enter all amounts as positive.) Martinez Co. Pension Worksheet-2020 General Journal Entries Postretirement Asset/ Cash Liability Memo Record Annual Postretirement Expense Plan Assets Balance, Jan. 1, 2020 $ Service cost Interest cost Actual return Contributions Benefits Journal entry for 2020 $ Balance, Dec. 31, 2020 Click if you would like to Show Work for this question: Open Show Work