If you invest $8,800 per period for the following number of periods, how much would you have: Use Anpendix C for an approximate answer, but calculate your final answer using the formula and financial calculator methods a. In 15 years at 8 percent? (Do not round intermediate calculations. Round your final answer to 2 decimal places Future value b. In 40 years at 8 percent? (Do not round intermediate calculations. Round your final answer to 2 decimal places.) Future value