Answer:
The amount of the PBO at Dec 31,2021 Â 334,680
Explanation:
PBO on Jan 1,2021 Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 271,000
+ Service cost                      88,000
+ interest (271,000 x 8%) Â Â Â Â Â Â Â Â Â Â Â Â Â 21,680
- pension benefits paid                 -46,000
PBO at Dec 31,2021 Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 334,680