I used an online calculation service, but it is an average of 2.6% per annum, which seems consistent with what is normally reported. It's also consistent with t

I used an online calculation service, but it is an average of 2.6% per annum, which seems consistent with what is normally reported. It's also consistent with the previous comment's assertion, as the starting point of 1989 puts it at about $120k. What do you think the inflation rate was through that period instead?