There is a thread about using cheats to change a sim's name, and it also works for changing life stages too (aging up or down). Follow the instruction in the first post and you will be able to edit your sim in CAS to age them up. I'm merging this with that thread.
DEFINITION of 'Retention Bonus'. A payment or reward outside of an employee's regular salary that is offered as an incentive to keep a key employee on the job during a particularly crucial business cycle, like a merger or acquisition, or during a crucial production period.REAKING DOWN 'Retention Bonus'. With the corporate landscape changing almost daily and a liquid labor market allowing workers to move from job to job more easily, retention bonuses have provided a great way for companies to keep valuable employees.
retention rate. The proportion of net income that is not paid in dividends. A firm earning $80 million after taxes and paying dividends of $20 million has a retention rate of $60 million/$80 million, or 75%.