The returns of United Railroad Inc. (URI) are listed below, along with the returns on Major Application of Technology (MAT). Econormy 1 (with probability .15) gives a return of-14% for URI and-996 for MAT. Economy 2 (with probability .25) gives a return of 16% for URI and 11% for MAT. Economy 3 (with probability .30) gives a return of 22% for URI and 15% for MAT- Economy 4 (with probability .20) gives a return of 7% for URI and 5% for MAT. Economy 5 (with probability .10) gives are return of 2% for URI and-1% for MAT. what is the expected return and standard deviation on a portfolio that is 50% URI and 50% MAT