Okay, okay. They calculated for the former expected rate of inflation.
This exchange followed parent comment: https://lemmy.world/comment/17030405
UI is from the Boost for Lemmy app
The question was raised in a recent .world news article comment https://lemmy.world/post/25766196
I don't know enough to check if this checks out, but I have enough faith in the lemmy community at this moment to believe someone will rush in to correct wrong information.