Brief Exercise 20-6 Your answer is incorrect. Try again. At December 31, 2017, Sheffield Corporation had a projected benefit obligation of $596,700, plan assets of $315,300, and prior service cost of $129,800 in accumulated other comprehensive income. Oetermine the pension asset/liabity at December 31, 2017. (Enter liability using either a negative sign preceding the number e.g. -45 or parentheses e.g. (45) Pension asset/liability at December 31, 2017 Click if you would like to Show Work for this question: Q Shoen Work 14