A result of honesty

This is a real story more time. Ago a young boy his age is 20 years old who Live in America he has a big shop one day a person come to his shop and say the boy give m some sugar so locally boy give her sugar about 2kg and the price of sugar is 2dollar so he asked the man sir give me 2 dollar so in mistake the man give her 4 dollars the man going out but when in the night the boy calculate his profit so 2 is more suddenly he remembered that the man give her extra rupees so in the cold night he go to the man and give her 2 dollar the man see his honestly and make more Happy in the award the man give her 5dollar extra it is the result of honestly