Assume a hypothetical age that includes a month (21, or 22, 23,. 34 are not acceptable, they dont include a month, but 21 years and 1 month or 21 years and 7 months are acceptable.) that has not been chosen by any other students, you can earn 10 % per year in the stock market by investing in the S&P500; assume you buy $10,000 worth of an index ETF that represents the S&P500. When you get to age 67, how much is your investment worth? (The future value of $10,000, annual compounding)