I need help explaining with the correct answers these questions.

Your father offers you a choice of $125,000 in 11 years or $45,500 today. Use Appendix B as an approximate answer, but calculate your final answer using the formula and financial calculator methods. 3-1. If money is discounted at 8 percent, what is the present value of the $125,000? (Do not round intermediate calculations. Round your final answer to 2 decimal places.) 3-2. Which offer should you choose? 0 $45,500 today 0 $125,000 in 11 years b-1. Now assume the offer is $125,000 in 8 years or $45,500 today. What is the present value of the $125,000 at 8 percent for 8 years? (Do not round intermediate calculations. Round your final answer to 2 decimal places.) Present value I | b-2. Now, which offer should you choose? 0 $125,000 in 8 years 0 $45,500 today How much would you have to invest today to receive the following? Use Appendix B and Appendix D for an approximate answer, but calculate your final answer using the formula and nancial calculator methods. a. $12,100 in 5 years at 9 percent. (Do not round intermediate calculations. Round your final answer to 2 decimal places.) b. $15,500 in 16 years at 10 percent. (Do not round intermediate calculations. Round your final answer to 2 decimal places.) immune :l c. $5,500 each year for 12 years at 6 percent. (Do not round intermediate calculations. Round your final answer to 2 decimal places.) d. $41,000 each year for 20 years at 8 percent. (Do not round intermediate calculations. Round your final answer to 2 decimal places.) At a growth (interest) rate of 16 percent annually, how long will it take for a sum to double? To triple? Use Appendix A for an approximate answer, but calculate your final answer using the formula and nancial calculator methods. (Do not round intermediate calculations. Round your final answers to 2 decimal places.) Time needed to double years Time needed to triple years