6 of 6 View Policies Show Attempt History < Current Attempt in Progress Skysong Corporation has the following information available concerning its postretirement benefit plan for 2020. Service cost $38.500 Interest cost 45,600 Actual and expected return on plan assets 25.600 Compute Skysong's 2020 postretirement expense. Postretirement expense 2020 $ 0/10 E