The CFA curriculum is in error here, and you’re correct.
I talked with them last year about this. They finally admitted that it was an error. I’d hoped that it would have been corrected. Perhaps it’s in the errata.
Gosh, so happy to find this thread. I was on FI last month and I still remember I had this same question and racking my brain on it. I checked curriculum errata from time to time, I just don’t understand why they do not update the errata. These things are so annoying especially with self study where you don’t really have the opportunity to ask back so you finally must assume that you are wrong and the book must be right.