Delinquency shows how rebellious she is, as the word says. I recommend to give her one free-time a month, best the last slot. If she has 0 Stress at the month's end/the next one's beginning, she will have a happy face - I think that is on of the requirements for her giving you a birthday present.
Working can bring only little money for a longer time. After working at a job for a certain number of times she will get a raise, and then a second and perhaps a third. You have to get up the perks that she needs for the respective work and keep her stress down to have her doing well on many days. If she does well on all days, she will get her pay doubled.
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