There is this good ol' barber in some city in the US. One day a florist goes to him for a haircut. After the cut, he goes to pay the barber and the barber replies: "I am sorry, I cannot accept money from you; I am doing a community service." The florist is happy and leaves the shop. The next morning when the barber goes to open his shop, there is a thank you card and a dozen roses waiting at his door.
A cop goes for a haircut and he also goes to pay the barber and the barber replies: "I am sorry, I cannot accept money from you; I am doing a community service." The cop is happy and leaves the shop. The next morning when the barber goes to open his shop, there is a thank you card and a dozen donuts waiting at his door.
An Asian software engineer goes for a haircut and he also goes to pay the barber and barber replies; "I am sorry, I cannot accept money from you; I am doing a community service." The next morning when the barber goes to open his shop, guess what he finds there - a dozen Asians waiting for a free haircut...