You plan to visit Geneva, Switzerland, in three months to attend an international business conference. You expect to incur a total cost of SF8,600 for lodging, meals, and transportation during your stay. As of today, the spot exchange rate is $0.60 per swiss franc and the three-month forward rate is $0.81 per swiss franc. You can buy the three-month call option on SF with an exercise price of $0.82 per swiss franc for the premium of $0.05 per swiss franc. Assume that your expected future spot exchange rate is the same as the forward rate. The three-month interest rate is 8 percent per annum in the United States and 5 percent per annum in Switzerland.