Suppose that Boeing Corporation exported a Boeing 747 to Lufthansa and billed 100,000 payable in one year. Assume that Boeing sells a currency forward contract of 100,000 million for delivery in one year, in exchange for a predetermined amount of U.S. dollars at $1.60/. Suppose that on the maturity date of the forward contract, the spot rate turns out to be $1.40/. What is the gain/loss for Boeing through forward hedging? If it is a gain, please enter a positive number. If it is a loss, please enter a negative number.