both parts please!

(a) rate is 4.5% and market portfolio is 9%

(b) beta is 0.7

You are considering acquiring firm that you believe con generate expected cash flow of $10,000 a year for years, the generate $10,000 forever. However, you recognise that those cash flows are uncertain Suppow you believe that the beta of the firm is 18. How much is the firm wore i meniskywe raw us and the expected rate of return on the market portfolio ON by how much will you are the firm is bele is actually a 77