Consider the information for a portfolio reported in the following table.

Stock	Portfolio Weight (%)	Stock Beta
A	0.21	0.70
B	0.29	1.10
C	0.26	0.80
D	0.24	1.20

(a) Calculate the beta for this portfolio. (2 marks)

(b) Using your beta estimate from Part (a), comment on the relative volatility of this portfolio. If the market fell 2%, what portfolio return might you expect? (2 marks)

(c) If the risk free rate is 0.75% and the expected return on the market is 8%, calculate the expected return for this portfolio using your beta estimate from Part (a) and the capital asset pricing model (CAPM).