14. Problem 2-14 (Historical Returns: Expected and Required Rates of Return) eBook Historical Returns: Expected and Required Rates of Return You have observed the following returns over time: Stock X Stock Y Market 1196 Year 2014 2015 2016 2017 2018 13% 1196 18 -15 4 21 -12 7 3 9 12 Assume that the risk-free rate is 4% and the market risk premium is 2%. a. What are the betas of Stocks X and Y? Do not round intermediate calculations. Round your answers to two decimal places. Stock X: Stock Y: b. What are the required rates of return on Stocks X and Y? Do not round intermediate calculations. Round your answers to two decimal places Stock X: Stock Y: c, what is the required rate of return on a portfolio consisting of 80% of Stock X and 20% of stock Y? Do not round intermediate calculations. Round your answer to two decimal places