Its a political statement.
I'm surprised other businesses don't do that.
Gas stations: Gas is $3.13 plus tax.
Car dealers: Advertising prices "plus manufacturers, excise, employee related, transportation, and other taxes." for which the sticker says "$14,328" but the final actual cost is $23,718.
jallman: "It's all good. At least you have a thick skin and can take being poked fun back at without crying. "