What is the present value of the following? Use Appendix B as an approximate answer, but calculate your final answer using the formula and financial calculator methods.

a. $8,600 in 5 years at 10 percent? (Do not round intermediate calculations. Round your final answer to 2 decimal places.)

b. $17,600 in 3 years at 6 percent? (Do not round intermediate calculations. Round your final answer to 2 decimal places.)

c. $27,100 in 9 years at 7 percent? (Do not round intermediate calculations. Round your final answer to 2 decimal places.)