9. The present value of an investment that gives $7000 after 5 years from now, and $10,000 after 10 years, if the discount rate = 8% is:

1. $31874
2. $15,055
3. $14,197
4. $9396

10. If you own $10,167 and want them to grow to $20,000 in 10 years. At what rate of interest you should invest them:

1. 6%
2. 7%
3. 8%
4. 9%

Please answer the 2 questions i don't have enough money..