Return on investment Commodore Entertainment has four profitable business segments, described as follows: - Media Networks: Television and radio - Parks and Resorts: Resorts, including Commodore land - Studio Entertainment: Motion pictures, musical recordings, and stage plays - Consumer Products: Character merchandising, Commodore stores, books, and magazines Commodore Entertainment recently reported sector income from operations, revenue, and invested assets as follows: a. Use the DuPont formula to determine the return on investment for the four Commodore Entertainment sectors. Round places. b. How do the four sectors differ in their profit margin, investment turnover, and return on investment