Alya 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 ₹15,730 at the end of 13 years, then how much money did he borrow?

A

₹11,800

B

₹12,250

C

₹10,500

D

₹11,000