A project under consideration has an internal rate of return of 13% and a beta of 0.5. The risk-free rate is 7%, and the expected rate of return on the market portfolio is 13%. a-1. Calculate the required return. Required return a-2. Should the project be accepted? O Yes O No b-1. Calculate the required return if its beta is 1.5 Required return b-2. Should the project be accepted? Yes No