35 XD Suppose you are long two call options with the same expiration date; one with an exercise price of $20 and the other one with an exercise price of $40. In addition, you are short two call options on the same stock with an exercise price of $30. The graph of this strategy is presented below: 30 25 20 20 Call 15 10 40 Call 5 Payoff (S) 0 15 20 25 - 5 30 35 40 45 - 10 - 15 -20 2 X 30 Call -25 -30 Stock Price (s) Stock Price ($) What is this strategy known as? Protective Put Butterfly Spread Strangle Straddle