If you invest $18,000 today, how much will you have in each of the following instances? Use Appendix A as an approximate answer, but calculate your final answer using the formula and financial calculator methods.
a. In 7 years at 9 percent? (Do not round intermediate calculations. Round your final answer to 2 decimal places.)
b. In 19 years at 8 percent? (Do not round intermediate calculations. Round your final answer to 2 decimal places.)
c. In 20 years at 8 percent? (Do not round intermediate calculations. Round your final answer to 2 decimal places.)
d. In 16 years at 8 percent ? (compounded semiannually)? (Do not round intermediate calculations. Round your final answer to 2 decimal places.)