At December $31,2020,$ Nash Corporation had a projected benefit obligation of $$573,800,$ plan assets of $$346,700,$ and prior service

cost of $$130,500$ in accumulated other comprehensive income.

Determine the pension asset$/$liability at December $31,2020.($Enter liability using either a negative sign preceding the number e$.$g$.-45$ or

parentheses e$.$g$.(45).)$

Pension asset$/$liability at December $31,2020$