How so? tIH thought he would pay $2,300 on a $10,000 purchase. That's incorrect. I corrected him. So tell me who it is who's trying to "mislead" here. Why didn't YOU correct him?
He would indeed pay $2,300 if the tax-inclusive price is $10,000.
http://www.pafairtax.org/resrcs/inclusive-exclusive.pdf