Zacher Co.'s stock has a beta of 1.25 , the risk-free rate is 4.45%, and the market risk premium is 6%. What is the firm's required rate of return? 12.55% 11.95% 12.25% 11.65% 11.36% Question 17 (1 point) Returns for the Alcoff Company over the last 3 years are shown below. What's the standard deviation of the firm's returns? (Hint: This is a sample, not a complete population, so the sample standard deviation formula should be used.) 20.03% 21.55%