A company issued debentures of the face value of Rs,5,00,000 at a discount of 6% on January 01, 2001. These debentures are redeemable by annual drawings of Rs,1,00,000 made on December 31 each year. The directors decided to write off discount based on the debentures outstanding each year. Calculate the amount of discount to be written off each year. Give journal entries also.