Brief Exercise 20-6 At December 31, 2017, Concord Corporation had a projected benefit obligation of $528,500, plan assets of $325,500, and prior service cost of $121,500 in accumulate other comprehensive income. Determine the pension asset/liability at December 31, 2017. (Enter liability using either a negative sign preceding the number e.g. -45 or parentheses e.g. Pension asset/liability at December 31, 2017 s Click if you would like to Show Work for this question: Open Show Work