It is your choice. Of course you can. PUB123 lets you pay three royalty rates on three levels. Or you could pay a fixed dollar amount on these discount levels. The same book might have another author who gets different royalties on different levels.
Some publishers like to pay a roylalty based on the discount that they sold the book at.
Or you could pay a fixed dollar amount on these discount levels. Of course you can. PUB123 lets you pay choose three types of sales channels. Or you could pay a fixed dollar amount on these discount levels. PUB123 makes royalties easy for you.