An amount of money is to be divided among A, B and C in the ratio 4 : 5 : 7 respectively. If the amount received by A and B is Rs. 1000 more than amount received by C, The total amount received by A and B together is
1
Rs. 5500
2
Rs. 8000
3
Rs. 4500
4
Rs. 6000
5
none of these