Problem 10-19 Spreadsheet Problem: Required Return (LG10-3, LG10-7) You have assigned the following values to these three firms: Assume that the market portfolio will earn 13.10 percent and the risk-free rate is 3.10 percent. Compute the required return for each company using both CAPM and the constant-growth model. Note: Do not round intermediate calculations and round your final answers to 2 decimal places