The publisher of an economics textbook finds that, when the book's price is lowered from $70 to $60, sales rise from 10,000 to 15,000. By the midpoint method, the price elasticity of demand is:

For each of the following users of financial accounting information and managerial accounting information, specify whether the user would primarily use financial accounting information or managerial accounting information or both: 1. sec examiner 2. bookkeeping department 3. division controller 4. external auditor (public accounting firm) 5. loan officer at the company's bank 6. state tax agency auditor 7. board of directors 8. manager of the service department 9. wall street analyst 10. internal auditor 11. potential investors 12, current stockholders 13. reporter from the wall street journal 14. regional division managers