PROBLEM 5. 15 points] The given graph is the payolt function of a consisting of European options. E2 - E Which trading strategy among the following four has the same payoft (1) Buying a put option with with strike price Er, expiration date T; and selling (2) Buying a call option with with strike price E, expiration date T; and buying (3) Buying a call option with with strike price Es, expiration date T and selling (4) Buying a call option with with strike price E2, expiration date T and buying Compute the four payoff functions and their graphs. function? a put option with strike price E, expiration date T, E El. a call option with with strike price Ea, expiration date T; and selling two call options with strike price Et expiration date T, E > E a call option with strike price E2 expiration date T, En>E. a put option with strike price Ei expiration date T, E, > Ei. PROBLEM 6. [5 points). An investor believes that there will be a big increase in a stock price. Which trading strategy among the four in Problem 5 would you recommend to the investor? Another investor believes that there will be a big change in a stock price. Which trading strategy among the four in Problem 5 would you recommend to this investor? A third investor believes that there will be no significant change in a stock price. Which trading strategy among the four in you recommend to this investor? Explain your answer Problem 5 would Want the answer of both