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. $8,200 in 7 years at 8 percent? (Do not round intermediate calculations. Round your final answer to 2 decimal places.) Present value b. $16,900 in 3 years at 6 percent? (Do not round intermediate calculations. Round your final answer to 2 decimal places.) Present value c. $26,600 in 9 years at 9 percent? (Do not round intermediate calculations. Round your final answer to 2 decimal places.) Present value