Thus, if the tax rate is 10 percent and the sale price including tax is $100, the taxable sale price is $90.91 (that is, $100 divided by (100+10)), and the tax is 10 percent of $90.91, or $9.09.
27 C.F.R. §53.92
Thus, if the tax rate is 10 percent and the sale price including tax is $100, the taxable sale price is $90.91 (that is, $100 divided by (100+10)), and the tax is 10 percent of $90.91, or $9.09.
27 C.F.R. §53.92