Sam is deciding between two jobs. Job A: regularly hourly rate of $12.50, double time for hours over 36; Job B: regularly hourly rate of $14.00, time and a half for hours over 40. For which job will Sam earn more if he works 40 hours a week? How much more? For which job will Sam earn more if he works 45 hours a week? How much more? What would be a good reason for Sam to take Job B?