(a) For each of the alternatives on offer calculate returns and standard deviation. (b) Draw a risk and return diagram on graph paper displaying the four options and then add a reasonable risk- return line for all possible allocations between Acehar and Ecaroh. (This is hypothetical to some extent because you do not know the minimum standard deviation point.) State which of the four options are efficient portfolios and which are inefficient given your risk-return line. (c) You are young and not as risk averse as most people, because you feel you will be able to bounce back from a financial disaster should one occur. Draw indifference curves on the diagram for a person who is only slightly risk averse. Demonstrate an optimal risk-return point on the risk-return line by labelling it point 'J'.