The general sales tax rate for the state is 6.5% and that's what the IRS uses. In the program, you can add city and local and tax rates to the state number.
If you want to change it,
type sales tax in the Find window in the upper right,
then hit enter
and then select the Jump To below.
You'll come to a little summary showing the state you've already entered. Edit and go back through the interview to make changes.