I need help answering 9 and 10 i have already answered 8...i included the answer because it is needed for question 9.

8. What is the present value of the following set of cash flows at a 10% discount rate? Year 1 2 3 4. $600 -$600 Cash Flow $600 -$600 9. What is the future value of the set of cash flows (from the previous problem) 4 years from now? Assume an interest rate of 10%. 10. Starting today, George is going to contribute $300 on the first of each month to his retirement account. His employer will contribute an additional 50% of the amount George contributes. If both George and his employer continue to do this and he can earn a monthly rate of .68%, how much will George have in his retirement account 35 years from now? Question 8 : Statement showing Cash flows 1 Particulars Time PVF 10% Cash flows Cash flows 2 Cash flows 3 Cash flows 4 Present value of Cash flows cash flow 0.90909 0.82645 0.75131 0.68301 Discounted cash flow 600.00 545.45 -600.00 -495.87 600.00 450.79 -600.00 -409.81 90.56