The Walt Disney Company has four profitable business segments, described as follows:

Media Networks: The ABC television and radio network, Disney channel, ESPN, A&E, E!, and Disney.com

Parks and Resorts: Walt Disney World Resort, Disneyland, Disney Cruise Line, and other resort properties

Studio Entertainment: Walt Disney Pictures, Touchstone Pictures, Hollywood Pictures, Miramax Films, and Buena Vista Theatrical Productions

Consumer Products: Character merchandising, Disney stores, books, and magazines Disney recently reported sector income from operations, revenue, and invested assets (in millions) as follows:

Income from Operations Revenue Invested Assets

Media Networks 6818 20356 28627

Parks and Resorts 2220 14087 22056

Studio Entertainment 661 5979 14750

Consumer Products1112 3811 7506

a. Use the DuPont formula to determine the rate of return on investment for the four Disney sectors. Round whole percents to one decimal place and investment turnover to two decimal places.

b. How do the four sectors differ in their profit margin, investment turnover, and return on investment?