Rs.6,060 is divided between A, B and C in such a way that if it reduces Rs.15 from A's share, Rs.20 from B's share, and Rs.25 from C's share, then The ratio of their parts becomes 5 ∶ 7 ∶ 8. How much was C's original share (in Rs.)?

1. 2,120

2. 1,525

3. 2,425

4. 1,515