You are a portfolio manager who uses options positions to customize the risk profile of your clients. In each case, what strategy is best given your client's objective? Required: a. Performance to date: Up 16%. Client objective: Earn at least 15%. Your forecast: Good chance of major market movements, either up or down, between now and end of year. Long straddle. O Long bullish spread. Short straddle. b. Performance to date: Up 16%. Client objective: Earn at least 15%. Your forecast: Good chance of a major market decline between now and end of year. Long put options. Short call options. O Long call options