A person borrowed a sum of money with simple interest as given below:
(i) 6% per annum for the first three years
(ii) 8% per annum for the next five years
(iii) 12% per annum for the next four years
If he paid a total interest of Rs. 4,240, the money he borrowed (in rupees) is
1
3,000
2
3,500
3
4,000
4
4,050