Determine the expected return and risk on a portfolio made up of 60 per cent of security X and 40 per cent of security Y, if the expected return on X is 16 per cent with a standard deviation of 12 per cent, the expected rate of return on Y is 19 per cent with a standard deviation of 15 per cent, and the correlation coefficient for the returns on X and Y is +0.3. (2 marks)