I mostly need all of parts C and D

Bruin, Incorporated, has identified the following two mutually exclusive projects: a-1. What is the IRR for each of these projects? Note: Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16. a-2. If you apply the IRR decision rule, which project should the company accept? b-1. Assume the required return is 13 percent. What is the NPV for each of these projects? Note: Do not round intermediate calculations and round your answers to 2 decimal places, e.g., 32.16. b-2. Which project will you choose of you apply the NPV decision rule? c-1. Over what range of discount rates would you choose Project A? Note: Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.9., 32.16. c2. Over what range of discount rates would you choose Project B? Note: Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16 . d. At what discount rate would you be indifferent between these two projects? Note: Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16