If you invest $9,100 per period for the following number of periods, how much would you have in each of the following instances? Use Appendix C for an approximate answer, but calculate your final answer using the formula and financial calculator methods. a. In 9 years at 6 percent? (Do not round intermediate calculations. Round your final answer to 2 decimal places.) Future value b. In 30 years at 11 percent? (Do not round intermediate calculations. Round your final answer to 2 decimal places.) Future value