No Suspension of Benefits Notice Provided

[Gary]

An ee retires at age 50 w/ an early ret ben reduced by 50%. He is rehired at 55 and retires at 58. His pension ceased upon reemployment, but no notice was given. The law provides that his pension s/b actuarially increased if Notice is not given. My question is what pension s/ act increased? His original reduced early ret ben., his original early ret ben (ignoring the early ret reduction), his final accd ben at his age 58 ret, or something else?

Curious to hear any comments.