I imagine the conversation with the clients will go like this: - Here is a quote for 100k for adding SuiteSparse to the code. - 100k‽ But I have found on the

I imagine the conversation with the clients will go like this: - Here is a quote for 100k for adding SuiteSparse to the code. - 100k‽ But I have found on the internet that SuiteSparse is free! Justify your quote. At that point, they will have to explain to the client what GPL is and why they cannot use the free version.