And the price has fallen down from sky years ago. It is an affordable signage. BTW, your estimating tool is really effective, and reflecting the price in US market, though it is a little high than the real one.
(Note: Ethyl alcohol is very different from rubbing alcohol, methyl alcohol, which is poisonous if taken internally). Although ethanol is a CNS depressant, at lower doses it has a stimulating effect which is due to a lessening of inhibitions rather than due to true physical stimulation. As the dose is increased, there is progressive depression of cerebral function.
Caffeine masks the depressant effects of alcohol, which makes a person feel less intoxicated than they really are. The caffeine and alcohol mixture causes dehydration. There is no negative effect of combining alcohol and caffeine. Once the caffeine wears off, the full depressant effects of the alcohol hit. This can lead to a nasty hangover.