<span>Add: This is just one example of the benefits schools get from offering music classes to their students.
This sentence follow best because it references, specifically, offering music classes versus "music students" which is inaccurate. It implies there are other benefits beyond just graduation rate, which most would agree there are (cultural, etc).</span>
Because he is having problem in buisness it is not appropiate because she asks what is his problem not how is he doing.
hope this helps