. The Walt Disney Company has four major sectors, 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, Mira- max Films, and Buena Vista Theatrical Productions. Consumer Products: Character merchandising, Disney stores, books, and magazines. Disney recently reported sector operating income, revenue, and invested assets (in millions) as follows: Operating Income Invested Assets Revenue Media Networks Parks and Resorts Studio Entertainment Consumer Products $7.793 3,031 1,973 1,752 $23,264 16,162 6,838 5,027 $30,638 25,510 15,334 7,591 a. Use the DuPont formula to determine the return on investment for the four Disney sec- tors. Round profit margin and return on investment 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