alt Hacker NewsBecause sales tax is something you pay that's more than the sticker price, and people tend to have an intuition for sales tax in their area. Personally, I find "a 3% credit card fee is like paying 21% more in sales tax" to be intuitive.
Because sales tax is something you pay that's more than the sticker price, and people tend to have an intuition for sales tax in their area. Personally, I find "a 3% credit card fee is like paying 21% more in sales tax" to be intuitive.