1. Which of the following is/are a spread option strategy? Select all that apply. (2 marks) Select one or more: a. Taking positions in two or more call options. b. Taking positions in a mixture of call and put options. c. Taking positions in options of different underlying assets. d. Taking positions in a mixture of options and underlying assets. e. Taking positions in multiple options of the same type III. Which of the following statements about volatility is/are wrong? Select all that apply. (2 marks) Select one or more: a. People use historical volatility because it is simple to calculate and intuitive b. The best estimate of volatility is the implied volatility, which incorporates all market information such as expectations and demand c. The VIX was developed to give traders a gauge of market volatility calculated from historical volatility estimated from past 2 to 3 years' stock prices Od Traders can consistently use option contracts to find a good estimate of volatility even if these options become more and more in-the-money e. Using GARCH model is one of the ways of estimating volatility