Investment, calculate without formula

Solve the question, without excel, i mean

II. The table presents the annual expected returns and standard deviations for three portfolios and for the market index: The risk-free rate of interest is 2%. This stock market is in equilibrium according to the capital asset pricing model (CAPM). Page 2 of (a) Calculate and interpret the beta value of each of these three portfolios. (5 marks) (b) Do these three portfolios lie on the Capital Market Line and what do you conclude from this? (7 marks) (c) Two new assets, Roll and Nia, are introduced to this market at prices which imply expected returns of 13% and 8%, respectively. The expected beta values are 1.9 and 0.4 , respectively. Do Roll and Nia lie on the Security Market Line and what do you conclude from this? (8 Marks) III. Critically analyse the advantages and disadvantages of top-down versus bottom-up investing approaches. (14 marks) [Total 50 marks]