When the bill is received, you always pay round amount after adding ten rupees approx more than the amount indicated in the closing balance to avoid all such one rupee shortage. You must appriciate that you need not carry any cash while shopping and if you plan your purchase carefully, you enjoy a credit of a month. While buying your goods, you must plan your finance condition and should ensure that you are in a possition to pay the full amount of the bill on the due date of the next bill. Otherwise, you end up paying interest.
