6.What is the future value of a $820 annuity payment over five years if interest rates are 9 percent?(Do not round intermediate calculations and round your final answer to 2 decimal places.)

Future value ?

7.What is the future value of a $560 annuity payment over four years if interest rates are 8 percent?(Do not round intermediate calculations and round your final answer to 2 decimal places.)

Future value?

8.What's the present value of a $840 annuity payment over four years if interest rates are 8 percent?(Do not round intermediate calculations and round your final answer to 2 decimal places.)

present value?

9.What's the present value of a $630 annuity payment over five years if interest rates are 9 percent?(Do not round intermediate calculations and round your final answer to 2 decimal places.)

Present value

10.What's the present value, when interest rates are 8.0 percent, of a $250 payment made every year forever?(Round your answer to 2 decimal places.)

Present value?