I really just need the last two answered!

5. You want to invest $3,000 today in order to achieve a future value of $4,207.80 in five years: What average annual rate of return do you need? : 7.00% 6. If you deposit $10,000 per year in an investment earning annual interest of 8.45%, how many years must you make this deposit in order to have $50,000 in the future for a deposit on a new home? : 19.84 years 7. You have received $3,000 as a tuition grant and you can spend it towards tuition, registration fees, books etc. Your financial goal is to have $4,000 in seven (7) years to apply towards a graduate or doctorate degree. Based on these goals, what investment rate (return on investment) do you need to achieve on an annual basis in order to have $4,000 in 7 years? : 4.20 8. You want to increase your investment by 50% (lump sum) nine years from now. Approximately, what is the approximate average annual investment return interest rate) that is required for this goal? : 4.61 46 9. You have decided that a $50,000 deposit is necessary for your first home purchase that you have anticipated to be ten years away. You have also researched that the average savings account interest return is only 4%. How much money must you deposit on an annual basis to achieve your goal of having $50,000 at closing? 10. You are 25 yrs old. You plan to retire at age 65. You expect to live to the age of 85. At age 65, you want $45,000 a year for living expenses. You have selected 4% the discount rate during retirement and 8% during your years of saving for retirement. How much money do you need to save each year for age years 25 thru 65 to meet this retirement goal