Kumud borrowed some amount at simple interest of 10% per annum for 1\( \frac{1}{2} \) year. Sneha borrowed the same amount at the same rate on compound interest (compounded semiannually) for the same period. If Sneha paid โน61 more than Kumud as interest, then how much money did each of them borrow?
โน\( \frac{61}{80} \)
โน\( \frac{1261}{80} \)
โน4,000
โน8,000