How do I revoke mint authority on Nexumint app?

What are the benefits of revoking mint authority?

Can I revoke freeze authority using Nexumint app?

What does revoking freeze authority mean for my token?

How can I make Metaplex metadata immutable on Nexumint?

What happens if I make my token's metadata immutable?

Is there a cost to revoke authorities or make metadata immutable?

Can I undo revoking mint or freeze authority?