meh, i just say, refer to it as you go as an example.
As in if the question was what are the methods of expansion globally then you say...
1. Export.... then you say your business can use export by doing this, this will give them an advantage as...
you dont really need to use statistics and have the whole answer focused on the case study, but merely use it as a backup.
your primary aim is to ANSWER THE QUESTION.... NOT spit out info on your business.
people who say it is 80% case study is bullshit
it is all theory, BUT you use the case study to back up and support that theory