Answer: Option D
Explanation: A strategic alliance refers to an arrangement between two or more independent parties in which they agree to operate their business for the mutual benefit objectives.
In the given case, Fixit chemicals are selling a product with the name of a different organisation, that is, Brooks and bill. Both the companies makes profit as brooks get royalty and fixit get profit from selling.
Hence from the above we can conclude that the given case is an example of strategic alliance.