Let's continue with the title of Analysis...
We are professional with the brush making machinery. In the catalog we have many kinds of brush machines. It is really a hard job for my non-engineering head to remember all the related data of the machines... very difficult... so I have decided to persuade the general manager to cut down the models and remain only one best selling machine...
......yes I am joking.
But for a medium sized company, how many kinds of products are to be suitable? I think the answer will be "it depends". It is a complicated study.
... I have to continue with it tomorrow. Now I need to finish an urgent quotation.