Ram purchased a bike for Rs. 40,000. Its value decrease by 5% after 2 years. Then he decided that he will sell the bike at the current price. After that he offer a 9% discount on the first Rs. 20,000 and a 5% discount on the next Rs.10,000. How much discount may be given on the remaining Rs. 8000, if he allowed a 7% discount on the total?