2. Joe Finance has just purchased a stock index fund, currently selling at $2,400 per share. To protect against losses, Joe also purchased an at-the-money European put option on the fund for $120, with exercise price of $2,400, and a 3-month time to expiration. Sally Calm, Joe's financial adviser, points out that Joe is spending a lot of money on the put. She notes that 3-month puts with strike prices of $2,340 cost only $90, and suggests that Joe use the cheaper put. a. Analyze Joe's and Sally's strategies by drawing the profit diagrams for the stock-plus-put positions for the various values of the stock fund in three months. b. When does Sally's strategy do better? When does it do worse