Use the following information to calculate the expected return and standard deviation of a portfolio that is 50 percent invested in 3 Doors, Inc., and 50 percent invested in Down Co.: (Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places.) 3 Doors, Inc. 143 44 Expected return, E(R) Standard deviation, o Correlation Down Co. 12% 46 0.29 Answer is not complete. 12.30 % Expected return Standard deviation