Your grandfather has offered you a choice of one of the three following alternatives: $15,000 now; $8,000 a year for six years; or $106,000 at the end of six years. Use Appendix B and Appendix D for an approximate answer, but calculate your final answer using the formula and financial calculator methods. a-1. Assuming you could earn 11 percent annually, compute the present value of each alternative: (Do not round intermediate calculations. Round your final answers to 2 decimal places.) Present Value $15000 $8000 $106000 a-2. Which alternative should you choose? $106,000 received at end of six years $8,000 received each year for six years $15,000 received now b-1. If you could earn 12 percent annually, compute the present value of each alternative: (Do not round intermediate calculations. Round your final answers to 2 decimal places.) Present Value $ S 15,000 8,000 106,000 $ b-2. Which alternative should you choose? $106,000 received at end of six years $8,000 received each year for six years $15,000 received now