Part 1: Dallas Star Inc. 's stock has a 30% chance of producing a 10% return, and a 70% chance of producing a 15% return. What is the firm's expected rate of return? What is the firm's Standard Deviation? What is the firm's Coefficient of Variation? Part 2: Calculate the required rate of return for Dallas Star Inc., assuming that (1) the nominal risk-free rate is 4.0%, (2) expected market return is 10% and (3) the firm has a beta of 1.2. (Hint: You need to find out market risk premium first.)