Rgument about SONY organizational charts

The Book : Modern management 10e, certo
The Required: Building a useful organization Chart: there are several topics that apply to building organizational charts. The introductory case discuss organizational structure at (Sony) and how its CEO, Nobuyuki Idei, has divided the organization into four main divisions encompassing Sonya€™s electronics, music, film and videogame businesses. Draw an organization chart for Sony showing four vice presidents reporting him.
Now draw another chart showing two executive vice presidents between Idei and the four vice presidents.
Construct an argument for using the second chart as opposed to the first.