A shopkeeper purchases rice from a dishonest dealer who cheats by providing 800g only for a kg. Shopkeeper makes an order for 750 kg for Rs. 81/kg. He wanted to make 20% profit after 10% discount. After selling 400 kg he notices he has been cheated. Now he decides he neither needs a profit nor loss in overall. What should be the new marked price for which he can make 10% discount and breakeven? (in rupees)