Risk and return analysis is an important tool in making a decision regarding the investment. The rate of return and risk for five firms are given below. The risk-free rate is at 9%. Stock Return Risk U 16 8 V 22 15 W 32 22 14 7 12 5 X You are required to a. Rank the above firms using Sharpe's index of portfolio performance measure. (5 marks) b. Discuss the different types of risks which affect the overall performance of Money markets. Perform a risk return analysis using a graph for the above investment options and explain the same (300 words)