That joke has been attributed to Winston Churchill. George Bernard Shaw and Mark Twain! “Churchill: "Madam, would you sleep with me for five million pounds?" Socialite: "My goodness, Mr. Churchill... Well, I suppose... we would have to discuss terms, of course... " Churchill: "Would you sleep with me for five pounds?"
Socialite: "Mr. Churchill, what kind of woman do you think I am?!" Churchill: "Madam, we've already established that. Now we are haggling about the priceâ€