Consider the following: Portfolio P is invested 40 per cent in Equity A and 60 per cent in Equity B. Required: i. Calculate the expected return for Equity A(ERA). Explain your workings. 10 marks ii. Calculate the variance (B2) and the standard deviation (B) for Equity B. Explain your workings. 10 marks iii. Calculate the expected return (EP) of Portfolio P. Explain your workings. 10 marks