b. The future value of $400 saved each year for 8 years at 7 percent. (Round your factor to 3 decimal places and inal answer to 2 decimal places.) c. The amount a person would have to deposit today (present value) at a 10 percent interest rate to have $3,100 five years from now. (Round your factor to 3 decimal places and final answer to 2 decimal places.) d. The amount a person would have to deposit today to be able to take out $500 a year for 8 years from an account earning 7 percent. (Round your factor to 3 decimal places and final answer to 2 decimal places.)