P8-7 (Similar 18) (Computing the expected rate of return and risk) After a tumultuous period in the stock market, Logan Morgan is considering an investment in one of portfolios. Given the information that follows, which investment is better, based on risk (as measured by the standard deviation) and return as measured expected rate of return? Portfolio B est Probability Return Probability 0.15 Portfolio A Return - 3% 17% 24% 0.12 032 0.50 10% 0.35 0.42 10 0.14 15% a. The expected rate of return for portfolio Ais % (Round to two decimal places.) The Standard deviation of portolio AIS 0 % b. the Bepected rate of return for portfolio B IS 0% - The Standard denation for part folio BiS o %