(Capital asset pricing model) Using the CAPM, estimate the appropriate required rate of return for the three stocks listed here, given that the risk-free rate is 7 percent and the expected return for the market is 13 percent. STOCK O BETA 0.64 0.91 1.31 (Click on the icon located on the top-right corner of the data table above in order to copy its contents into a spreadsheet.) a. Using the CAPM, the required rate of return for stock Ais %. (Round to two decimal places.) b. Using the CAPM, the required rate of return for stock B is %. (Round to two decimal places.) c. Using the CAPM, the required rate of return for stock C is/ %. (Round to two decimal places.)