Nova Ltd. issued shares of Rs. 10 each at a premium of Rs. 2, payable as Rs. 3 on application, Rs. 5 on allotment (including premium), and the balance on first and final call. Mr. Khan, who held 500 shares, paid the application money but failed to pay the allotment and call money. His shares were forfeited. What amount will be credited to the Share Forfeiture Account upon forfeiture of Mr. Khan's shares?