Jack can work up to 8 hours a day at a wage rate of W and as much more as he wants at the higher overtime rate of W′. He chooses to work 10 hours. Jill can work as many hours as she wants at a wage of W″. Jack and Jill have the same tastes, the same assets, and are equally happy. What can you conclude about the size of W″ compared with W and W″? What can you conclude about the number of hours Jill works?