41 5 pts STU company has a defined benefit pension plan. During 20xx, STU paid its employees $100 in cash compensation and the employees earned pension benefits, which, at the time they were earned, had a present value of $5. At the end of the year, STU's defined benefit net pension liability was $500. Which of the following are true? You can choose more than one. Assume STU provides no other compensation to its employees. For 20xx, the operating portion of STU's compensation expense is $5. For 20xx, the operating portion of STU's compensation expense is $100. For 20xx, the operating portion of STU's compensation expense is $105. At the end of 20xx, the defined benefit net pension liability was an operating liability. At the end of 20xx, the defined benefit net pension liability was a financial obligation