20 P Task 4: Gretchen Van Damme is considering buying call options on Swiss francs on the International Monetary Market of the Chicago Mercantile Exchange with a March expiration date and a strike price of 0.77 USD/SFR. The current spot rate of exchange is 0.77 USD/SFR. Gretchen believes that the spot rate in March will be between 0.74 USD/SFR and 0.81 USD/SFR, with a most likely value of 0.77 USD/SFR. a. Calculate Gretchen's gain or loss at closing spot rates of 0.74 USD/SFR, 0.77 USD/SFR, and 0.81 USD/SFR. b. Diagram the value of Gretchen's Swiss franc call option at expiration. c. Suppose the price of a call option on Swiss francs is 0.02 USD/SFR. Diagram the profit or loss on Gretchen's Swiss franc call option at expiration as a function of the underlying SUSD/SFR exchange rate