can you answer this question for me please and using excel to answer it ?

Consider the following information: Required: a. Based on CAPM, what is required return for portfolio A with a beta of 0.7. (Round your answer to 2 decimal places.) CAPM required return: % b. Based on the table above, what is the expected alpha of portfolio A. (Negative value should be indicated by a minus sign. Round your answer to 2 decimal places.) Alpha: 16 c. If the simple CAPM is valid, is the above situation possible? (yes or no)