An acountant in a big firm had a very strange habit. Every mroning he used to open his drawer look at a paper and then lock the drawer again. The trainees were very curious and thought that he hid the secret of his success in his drawer. So one day when the accountant was out, the trainees decided to break the lock, when they broke the lock n took out the paper it was written on the paper..

“Left is debit and right is credit”…