Excel Dnline Structured Activity: Historical Return: Expected and Required Rates of Return You have observed the following returns over time: Assume that the nsk-free rate is 3% and the market risk premium is 6%. The data has been collected in the Microsoft Excel Onkine file below. Open the spreadsheet and perform the required analysis to answer the questions below. Open spreadsheet a. What is the beta of Stock X ? Do not round intermedeate calculations. Round your answer to two decimal ploces. Whot is the beta of Stock Y? Do not round intermediate cakculotions. Round your answer to two decimal places. What is the beta of Stock Y? Do not round intermediate calculations. Round your answer to two decimal places. b. What is the required rate of return on 5 tock X7 Do not round intermediate calculations. Round your answer to one decimal place. What is the requaed rate of retum on Stock Y? Do not round intermediate calculations. Aound your answer to one deamal place. 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 one decimal place. 1 Historical Retums: Expected \& Required Rates of Retum Historical Retums: 22 23 Altemate portfolio retum calculation using indivdual stocks' roquired returns 24 Required retum on portiolio, tp INA