Answer:
$40,000
Step-by-step explanation:
Data provided
PBO, December 31 = $270,000
Pension plan assets (fair value) December 31 = $230,000
The computation of the projected benefit obligation was underfunded is shown below:-
Projected benefit obligation was underfunded at the end of 2021 = PBO, December 31 - Pension plan assets (fair value) December 31
= $270,000 - $230,000
= $40,000