The math doesn’t work. Lets say you make $10/hr and work full time. Well $10/hr is $20,000/yr. In 4 years you would earn $80,000 BEFORE taxes. Lets say after taxes that $80,000 is really $60,000. Again, the math does not work.
You’re beating a dead horse here pal. She worked more than 8 hours per day in the summer and made more than $10 an hour. She also put the money in Vanguard Windsor II mutual funds. It’s over, she did it. Let it go man, it can be done.