QUESTION 21 Dr. Stein has just invested $10,000 for his son (age 7). The money will be used for his son's education 15 years from now. He calculates that he will need $100,000 for his son's education by the time the boy goes to school. What rate of return will Dr. Stein need to achieve this goal? Between 9% and 10% Between 16% and 17% Between 10% and 11% Between 15% and 16%