answer me fast please

14. Mr. Zahid has inherited the following portfolio: (2+1 =3 marks) Share ABC DEF GHI Share price OMR 1.40 OMR 2.20 OMR 1.90 No. of shares 20000 10000 20000 Beta 0.80 1.20 1.10 a). What is the beta on this portfolio? (2 marks) b). If the risk-free rate of return is 7.5 per cent and the risk premium on shares over Treasury bills has been 4 per cent what is the expected return on this portfolio over the next year? ( 1 mark)