A Russian walks into a bar and orders a beer.

A Russian walks into a bar and orders a beer.
"That will be one ruble," says the bartender.
"One ruble!
" the customer protests, "last week it was only fifty kopeks!
" "Well," replies the bartender, "it's fifty kopeks for the beer and fifty kopecs for the perestroika." Reluctantly, the customer gives the bartender a ruble, and is surprised when the bartender gives him back fifty kopecs and says, "We are out of beer."