Gaurav spends 40% of the amount he received from his father on hostel expenses, 20% on books and stationery, and 50% of the remaining amount on transport. He saves Rs. 600 which is half the remaining amount after spending on hostel expenses, books and stationery and transport. How much money did he get from his father? 1. Rs. 3,000 2. Rs. 6,000 3. Rs. 4,500 4. Cannot be determined 5. None of these