IRR help. I think I got the first part right. What is the best way to approach the 3 IRR QUESTIONS?

Project A Project B intermediate calculations. Round your answer to two decimal places. \begin{tabular}{ll} Project A: $ & million \\ Project B: $ & million \end{tabular} intermediate calculations. Round your answer to two decimal places. Project A: $ million Project B:$ million intermediate calculations. Round your answer to two decimal places. Project A: $ million Project B:$ million b. What are the projects' IRRs assuming the WACC is 5% ? Do not round intermediate calculations. Round your answer to two decimal places. Project A: % Project B: % What are the projects' IRRs assuming the WACC is 10% ? Do not round intermediate calculations. Round your answer to two decimal places. Project A: % Project B: % What are the projects' IRRs assuming the WACC is 15\%? Do not round intermediate calculations. Round your answer to two decimal places. Project A: % Project B: % c. If the WACC was 5% and A and B were mutually exclusive, which project would you choose? (Hint: The crossover rate is 3.86%.) If the WACC was 10% and A and B were mutually exclusive, which project would you choose? (Hint: The crossover rate is 3.86%.) If the WACC was 15% and A and B were mutually exclusive, which project would you choose? (Hint: The crossover rate is 3.86%.)