Managers often have the tendency of getting employees to jump through hoops in hopes of getting promoted, then don't end up delivering. This employee did so much extra work that she actually saved the company $45,000, but alas, she was told she was still not ‘deserving’ of a promotion. In other words, even if you do a good job, it's not good enough. Fed up, OP decided enough was enough, because if the company was saving $45,000 but still couldn't ‘afford to give OP a raise’, then why bother put…