Chimp and barman

A barman was astonished one day when a chimpanzee came into his bar ordered a beer and gave him a tenner.

Pretty smart thought the barman, but he'll have no idea of what money means and gives him a pound back in the change

"Don't get many chimps in here." says the barman conversationally (I mean, come on, what else would you say?)

"Not surprised" says the chimp quaffing his beer "at 9 pounds a pint it's no wonder."

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