You need to estimate the equity cost of capital for XYZ Corp. You have the following data available regarding past returns: a. What was XYZs average historical return? b. Compute the market's and XYZ's excess returns for each year. Estimate XYZ's beta. c. Estimate XYZ's historical alpha. d. Suppose the current risk-free rate is 4%, and you expect the market's retum to be 8%. Use the CAPM to estirndie an expected retur for YV7 Carn'e etralt a. What was XYZ's average historical return? XYZ's average historical return was \%. (Round to one decimal place.) a. What was XYZs average historical return? b. Compute the markers and XYZ's excess returns for each year. Estimate XYZ's beta. c. Estimate XYZ's historical alpha. d. Suppose the current risk-free rate is 4%, and you expect the market's retum to be 8%. Use the CAPM to estirnate an expected return for XYZ Corp.'s stock e. Would you base your estirnate of XYZs equity cost of capital on your answer in part (a) or in part (d)? a. What was XYZ's average historical return? XYZ's average historical return was \%. (Round to one decmal place.) (Click on the following icon in order to copy its contents into a spreadsheet.)