both expected return and sd?

The expected return of Carla is 16.2 percent, and the expected return of Sarasota is 24.2 percent. Their standard deviations are 11.2 percent and 24.2 percent, respectively, and the correlation coefficient between them is zero. What is the expected return and standard deviation of a portfolio composed of 25 percent Carla and 75 percent Sarasota? (Round intermediate calculations to 6 decimal places, e.g. 31.212564 and final answers to 2 decimal places, e.g. 15.25\%.) The expected return % Standard deviation of portfolio % What is the expected return and standard deviation of a portfolio composed of 75 percent Carla and 25 percent Sarasota? (Round intermediate calculations to 6 decimal places, e.g. 31.212564 and final answers to 2 decimal places, e.g. 15.25\%.) The expected return % Standard deviation of portfolio %