Arya borrowed some money at the rate of 5% per annum for the first 3 years, at the rate of 8% per annum for the next 4 years, and at the rate of 16% per annum for the period beyond seven years. If he pays a total interest of Rs. 15,730 at the end of 13 years, then how much money did he borrow?
1
Rs. 11,800
2
Rs. 12,250
3
Rs. 10,500
4
Rs. 11,000