I don’t think they are going to do some novel calculation or go out on a limb much at all.
I mean, passing along tax information is a political act (in the same way not showing items on the shelf with sales tax, and then including it on your bill is an anti-sales-tax political statement—the point is to blame the government for an annoying surprise), but it is (I think, at least) widely seen as sort of… normal acceptable behavior in the US.
I mean, passing along tax information is a political act (in the same way not showing items on the shelf with sales tax, and then including it on your bill is an anti-sales-tax political statement—the point is to blame the government for an annoying surprise), but it is (I think, at least) widely seen as sort of… normal acceptable behavior in the US.