2.00 points Brief Exercise 17-2 Changes in the projected benefit obligation [LO17-3 The projected beneft obligaton was $420 million at the beginning of the year and $450 million at the end of the year. At the end of the year, pension benefts paid by the trustee were $19 million and there were no pension-related other comprehensive income accounts requiring amortization. The actuary's discount rate was 5%. What was the amount of the service cost for the year? References eBook & Resources Worksheet Difficulty: 1 Easy Brief Exercise 17-2 Changes in Leaming Objective: 17-03 Describe the five the projected benefit obligation L017-3) events that might change the bailance of the 2 3 4 5 6