How much would you have to invest today to receive the following? Use Appendix Bor Appendix D. for an approximate answer, but calculate your final answer using the formula and financial calculator methods. a. S14,000 in 14 years at 9 percent. (Do not round intermediate calculations. Roundyour final answer to 2 decimal places.) Present value b. $17,600 in 18 years at 13 percent. (Do not round intermediate calculations. Round your final answer to 2 decimal places.) Present value c. S7,100 each year for 12 years at 9 percent. (Do not round intermediate calculations. Round your final answer to 2 decimal places.) Present value