Is taxing a tax legal?

Just bought something from a fast food restaurant and saw they had 2 subtotals and thought they taxed twice on the sales but just calculated it and they had a tax totaled it and then had another tax on the new totaled and they had another tax on it and then totaled it all. This way they are now taxing the sales tax... show more Just bought something from a fast food restaurant and saw they had 2 subtotals and thought they taxed twice on the sales but just calculated it and they had a tax totaled it and then had another tax on the new totaled and they had another tax on it and then totaled it all. This way they are now taxing the sales tax first levied on the purchase.
8 answers 8