Mateo Is Designing a Diagram Showing a Water Cycle That

Multiple Choice

Mateo is designing a diagram showing a water cycle that can extensively be used by various textbook publishers,and he wants to recover the costs he incurs designing it.At what stage will his intellectual property rights come into effect,which will necessitate users to pay him royalty?

A) As soon as he conceives the idea of the diagram
B) As soon as the image exists in physical form
C) As soon as someone wants to use it
D) As soon as he requests users for royalty