RTP-area local music and culture

[John Shadle <shadle AT email.unc.edu>]

John I <not AT hotmail.com> wrote...
> It's easy.  You subtract the sales tax and any appetizers then figure 25% of 
> what's left.  over time it works out to 17%.

i've always heard that you tip on the pre-tax amount. am i right, or am 
i right? that 10% of the meal plus the sales tax makes sense to me 
(thanks to bendy).

of course, then there's this take

http://www.straightdope.com/mailbag/mtiplesstax.html

-john