1) You are offered the choice between the following options: a) Get $3,500 each year for 14 years. First payment after the first year. b) Get $7,500 today, and thereafter $3,050 each year for 12 years. First payment after the second year. c) Get $3,800 each year for 15 years. First payment after 5 years. The annual interest rate is 6%. Calculate the present values of those three options (you must show your work). Which one would you choose? Why? (3) How would your answers change if the expected interest rate is 3% and 9%, respectively (show your work)? (1)