Required: 1. What is the accumulated postretirement benefit obligation at the beginning of 2024 ? 2. What is interest cost to be included in 2024 postretirement benefit expense? 3. What is service cost to be included in 2024 postretirement benefit expense? 4. Prepare the journal entry to record the postretirement benefit expense for 2024 . Answer is complete but not entirely correct. Complete this question by entering your answers in the tabs below. What is the accumulated postretirement benefit obligation at the beginning of 2021 ? What is interest cost and service cost to be included in 2024 postretirement benefit expense? Prepare the journal entry to record the postretirement benefit expense for 2024. Note: If no entry is required for a particular event, select "No journal entry required" in the first account field