Number 11 and 12. Any ideas?

001000 10 B8 $554,000 if it is invested in an interest rate of 8% with monthly t? ng of 8. You are offered an annuity that will pay $24,000 per year for 11 years (the first payment occur one year from today). If you feel that the ap s the annuity worth to you today? 13 ,486.5 e discount rate is 13%, what ropriat 9. If you deposit $16,000 per year for 12 years (each deposit is made at the end of each year) in an account that pays an annual interest rate of 14%, what will your account be worth at the end of 12 years? 361331. 10. You are told that if you invest $11,000 this year and keep it in an interest bearing account for 23 years you will have accumulated $366,000 at the end of the period. What arrual rate of return is the investment offering? 32 % 11. You are offered by your Aunt to put $17,000 in an account for you for 7 years with the stipulation that you must earn at least a 3.0 average when you graduate college. She informs you that the money will earn an interest rate of 11%, what is the investment worth to you at the end of the 7 year period? 12. If you deposit $15,000 per year for 9 years (each deposit is made at the beginning of each year) in an account that pays an annual interest rate of 8%, what will your account be worth at the end of 9 years? 13. You are told that if you invest $11,100 per and keep it for 19 years you will have