At December 31, 2020, Sage Corporation had a projected benefit obligation of 5 596,500, plan assets of $ 301,800, and prior service cost of $ 128.900 in accumulated other comprehensive income Determine the pension asset/liability at December 31, 2020. (Enter liability using either a negative sign preceding the number eg.-45 or parentheses eg. (451) Pension asset/liability at December 31, 2020