Well your disc is officially garbage because it's scratched beyond repair. Don't bother trying to fix your game disc. Do what I did. Go to sellitbroken.com and sell your game to them. They will give you good money for it.

This website can help you www.rsgoldfast.com
They serve good high efficiency, safe and convenient transaction, you can go to experience
The price is certainly the cheapest
There is also often very affordable activity