You also have the option of not picking any of them. a) Calculate the IRR for each. b) Make a graph depicting the EUAW (Equivalent Uniform Annual Worth) for each option over the [0%, 100%] domain. c) Make a choice table to cover the range from 0% to 100% annual interest rate. d) If the discount rate (MARR) your company is using is 8%, how confident would you be about your decision on choosing a certain option? How about for a discount rate of 12.5%