I have built models for profit sharing and royalty cases.
I do not think that you should be deducting CGS from the royalty case. That is a guess - I do not recall it being stated explicitly.
And as another poster pointed out, there will be a decline in the market size due to competitive pricing. Not sure how big that will be with TEVA in and Sanofi offering an AG.
ij
There are times when rules and precedents cannot be broken; others when they cannot be adhered to with safety. (Thomas Joplin)