Nano-Fixx. Pistons complains that "they retail 80¥ a pop, which is insane if you ask me." (Page 164)
The table, page 166, says 35.
Could be she's wrong. Seems to be a pretty sizeable discrepancy, though.
Could be where she is in the world at the time. Those values are generally what it goes for in Seattle, if she were in, say, London/Hong Kong/Tenochtitlan at the time of posting, it's entirely possible that that is what they go for.
She could have gone to a shop that really jacks up prices or just gotten really ripped off by a hot store clerk.
Or, yeah, she could be way off.
Personally, I'm only for errata and spelling fixes (except the most egregious) in the rules and lore sections. Shadowtalk is generally forum posting and doesn't always get fully spellchecked or sometimes has auto-correct issues. Keeps flavour and shows that they all aren't perfect people if they sometimes screw up their words.