Brief Exercise 17-1 (Algo) Changes in the projected benefit obligation (LO17-3) The projected benefit obligation was $160 million at the beginning of the year. Service cost for the year was $6 million. At the end of the year, pension benefits paid by the trustee were $2 million and there were no pension-related other comprehensive income accounts. The actuary's discount rate was 5% What was the amount of the projected benefit obligation at year-end? End of the year PDO million