E19.16 (LO 5, 6, 8) (Post-Retirement Benefit Expense Calculation and Entries, IFRS, ASPE) Opsco Corp. provides the following information about its post-retirement health-care benefit plan for the year 2020: Current service cost Contribution to the plan Actual return on plan assets Benefits paid Plan assets at January 1, 2020 Defined post-retirement benefit obligation at January 1, 2020 Discount rate $ 202,500 47,250 141,750 90,000 1,597,500 1,822,500 9% Instructions a. Assuming Opsco follows IFRS, calculate the post-retirement benefit expense for 2020, and prepare all required journal entries related to the post-retirement benefit plan that were made by the company in 2020. b. Assuming Opsco follows ASPE, calculate the post-retirement benefit expense for 2020, and prepare all required journal entries related to the post-retirement benefit plan that were made by the company in 2020