A project under consideration has an internal rate of return of 15% and a beta of 0.8. 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?

b. Should the project be accepted?

c. What is the required rate of return on the project if its beta is 1.80?

d. If project's beta is 1.80, should the project be accepted?