News Corporation is one of the world's largest entertainment companies that includes Twentieth Century Fox films, Fox Broadcasting, Fox News, the FX, and various satellite, cable, and publishing properties. The company provided revenue disclosures by its major product segments in the notes to its financial statements as follows:
...........................................................................For a Recent Year
Major Product Segments.....................................................(in millions)
Filmed Entertainment..............................................................$ 7,631
Television..............................................................................4,228
Cable Network Programming.......................................................7,038
Direct Broadcast Satellite Television..............................................3,802
Magazines and Inserts...............................................................1,192
Newspapers and Information Services.............................................6,087
Book Publishing...............................................................................1,269
Other................................................................................................1,531
Total revenues..................................................................................$32,778
a. Provide a vertical analysis of the product segment revenues.
b. Are the revenues of News Corporation diversified or concentrated within a product segment? Explain.