Dom Everall has savings of f36,000. Of this amount he has invested $18,000 in Treasury Bills which currently yield a return of 7%. The remainder has been invested in a portfolio of four different companies' shares. Details of this portfolio are as follows: Calculate the expected return and beta value of Mr Everall's savings portfolio. Mr Everall has decided he wants an expected return of 13% on her savings portfolio. show how she would achieve this by selling some of her treasury Stock, and investing the proceeds in the market portfolio. If Mr Everall were only to invest in Treasury and the market portfolio, w Bills savings portfolio would be required to give her an expected return of 10.51%. If Mr Everall wants to choose between her existing savings portfolio (as in (i) and the one constructed in (ii), which would you advise and why