Please answer A, B, C and D

A project under consideration has an internal rate of return of 15% and a beta of 0.9 . The risk-free rate is 5%, and the expected rate of return on the market portfolio is 15%. a. What is the required rate of return on the project? Note: Do not round intermediate calculations. Enter your answer as a whole percent. b. Should the project be accepted? c. What is the required rate of return on the project if its beta is 1.90 ? Note: Do not round intermediate calculations. Enter your answer as a whole percent. d. If project's beta is 1.90 , should the project be accepted