Q3a. Using the following regression model obtain CAPM betas for both ANZ and COH using excess returns by estimating the following regressions (1 mark) REOH = aCOH + PсOHR + UCON RANZ = CANZ + BANZ R + UANZ where ucox and UANZ are the random error terms of the regression models. Q3b. Present the two beta coefficients estimated in question Q3a (use 4 decimal places). Comment on what do they imply about systematic risk? (2 marks)