(a) A security analyst has obtained the following information based on the future focused and possible states of economy in a country. Required: (i) Expected return of each company securities (ii) Standard deviation (risk) for each company security return (iii) Portfolio return (iv) Portfolio risk (a) A security analyst has obtained the following information based on the future focused and possible states of economy in a country. Required: (i) Expected return of each company securities (ii) Standard deviation (risk) for each company security return (iii) Portfolio return (iv) Portfolio risk