5. Green corp's required rate of return is 12% and beta is 1.3. What is the required rate of return of Blue corp if its beta is.8 and market risk free return is 4.75%? 6. Mack Motors has a beta of 1.1. Real risk free return is 2%, expected inflation is 3%, and market risk premium if 4.7%. What is Mack's required rate of return? 7. Brook industries' stock return is 11.75% and beta is 1.23. What is the market return if risk free rate is 4.3%