A partially completed pension spreadsheet showing the relationships among the elements that comprise the defined benefit pension plan of Universal Products is given below. The actuary's discount rate is $5\%.$ At the end of $2019,$ the pension formula was amended, creating a prior service cost of $$280,000.$ The expected rate of return on assets was $8\%,$ and the average remaining service life of the active employee group is $20$ years in the current year as well as the previous two years.

Required:

Fill in the missing amounts. $($Enter your answers in thousands rounded to $1$ decimal place.$)$

$\backslash$table$[[,,$Plan,Prior,Net Loss,Pension,,Net Pension$],[,9,$Service,,$($Liability$)],[($ $ in thousands$),$PBO,Assets,Cost $-$AOCI,$-$AOCI,Expense,Cash,I Asset$],[$Balance$,$ Jan. $1,2021,$$$(840\mathrm{.}0),$$$,580\mathrm{.}0,266\mathrm{.}0,$$$,84\mathrm{.}0,,,$$$,(260\mathrm{.}0)$