Which of the following statements are true? i) A simple approach to portfolio weight selection is to assign weights inversely proportional to the Sharpe Ratio of each asset. ii) The Sharpe Ratio can be used as a measure of volatility. in) The Sharpe Ratio is defined as the ratio of the average and the variance of past observed prices. iv) The Sharpe Ratio is defined as the ratio of the average and the standard deviation of past observed prices. Select one: O a. False (m) True (m) False (IV) True O b. True (11) True (1) False, (iv) True c () True. (l) False, (ii) False, (iv) True Od. False (1) True, (ii) True, (iv) True Oe True () False (ul) False, (iv) False f. i) False (1) False, (ii) False, (iv) False (9) True, (ii) True, il) True, (iv) False Oh () False, (il) True () True, (iv) False