A man walks into a pet store looking for a monkey. The storeowner points towards three identical looking monkeys. "The one on the left costs $500. It can type. The one in the middle costs $1,000. It can do basic computer programming. The one on the right costs $3,000.”
“$3,000!,” the man exclaims. “What does it do?”
"To be honest,” the shopkeeper says, I've never seen it do a single thing, but it calls itself a supervisor."
—From Workplace Jokes: Only SOME of Them Will Get You Fired!